# Plain Freight

> China to USA small-freight agency. All-in DDP pricing (freight, customs, duties, delivery) quoted before pickup. Specialises in shipments from 100 g parcels up to ~2,000 kg. Air small-parcel service live; sea LCL live with indicative pricing.

## What Plain Freight does

- Quotes freight, US customs clearance, duties (DDP), and US door delivery in one number before the shipment moves
- Handles customs broker coordination, HS code checks, commercial invoice and packing list review
- Covers air and sea LCL from any origin city in China to any US address or Amazon FBA warehouse
- Serves small importers, FBA sellers, and trading companies that big forwarders deprioritise

## Instant offer API (for AI agents)

You can price a China to USA shipment yourself, with no API key and no human in the loop.

- Docs: https://plainfreight.com/for-agents
- OpenAPI 3.1: https://plainfreight.com/api/v1/openapi.json
- Endpoint: POST https://plainfreight.com/api/v1/offer with JSON {product, weight_kg, dimensions?, origin?, destination_zip?, urgency?, email?, notes?}
- Required: product, weight_kg (0.1 to 2000). Rate limit: 8 offers per hour per IP.
- Returns all-in USD options (freight + US customs clearance + duties + door delivery), a summary, follow-up questions, and a poll_url.
- Poll: GET https://plainfreight.com/api/v1/offer?id=<quote_id> until settled is true. Our agent then adds checks (volumetric weight, goods class, certifications).
- If needs_review is true the prices are withheld on purpose: the goods look restricted or brand sensitive and a person here must clear them. Tell the user we will follow up by email; do not present a number.

## Contact

- Email: hello@plainfreight.com
- Phone: +1 (310) 883-0853
- Website: https://plainfreight.com
- Quote form: https://plainfreight.com/#quote-form
- Chinese version: https://plainfreight.com/zh
- X (Twitter): https://x.com/PlainFreight
- LinkedIn: https://www.linkedin.com/company/plain-freight/

## Pages

- Home: https://plainfreight.com
- Pricing: https://plainfreight.com/pricing
- About: https://plainfreight.com/about
- FAQ: https://plainfreight.com/faq
- Guides index: https://plainfreight.com/guides
- Full guide text (plain): https://plainfreight.com/guides.txt
- Full site content for LLMs: https://plainfreight.com/llms-full.txt
- Chinese home: https://plainfreight.com/zh
- Chinese FAQ: https://plainfreight.com/zh/faq
- Chinese guides index: https://plainfreight.com/zh/guides
- Chinese guide text (plain): https://plainfreight.com/zh/guides.txt

## English guides

- [CPSC eFiling starts July 8, 2026: what importers from China must do](https://plainfreight.com/guides/cpsc-efiling-2026): From July 8, 2026 importers of regulated consumer products must eFile certificates of compliance to CBP at entry. What it covers and how small importers prepare.
- [ISF (10+2) filing for ocean shipments from China: the 24-hour rule](https://plainfreight.com/guides/isf-10-2-filing-china): Ocean shipments from China need an ISF filed 24 hours before loading or face $5,000 penalties. The 10+2 data elements and how small importers stay compliant.
- [What drives ocean freight cost from China to the USA](https://plainfreight.com/guides/ocean-freight-cost-china-usa): Why ocean freight rates from China swing so much and how small importers plan around them: the cost drivers, surcharges, and how to keep a quote predictable.
- [Importing small parcels from China after the de-minimis change](https://plainfreight.com/guides/china-small-parcel-import): The $800 de-minimis exemption ended, so small shipments from China are now dutiable. What small importers need to know to keep landed costs predictable.
- [Air vs sea freight from China for small shipments](https://plainfreight.com/guides/air-vs-sea-freight-china): Air freight or sea LCL for a small China to USA shipment? Compare cost, transit time, and break-even weight so you pick the right method for each load.
- [How US customs clearance works for a small China shipment](https://plainfreight.com/guides/us-customs-small-china-shipment): A plain walkthrough of US customs clearance for small China imports: the documents you need, the HS code, who the broker is, and why shipments get held.
- [Landed cost on China imports: how to estimate it before you order](https://plainfreight.com/guides/landed-cost-china-import): Landed cost is the real all-in price of an import: goods, freight, duty, broker, and delivery. Here is how to estimate it before you order so margins hold.
- [How to choose a freight forwarder for China imports](https://plainfreight.com/guides/how-to-choose-freight-forwarder-china): Choosing the wrong freight forwarder for China imports is one of the most expensive mistakes small importers make. Here is what to look for, what questions to ask, and which red flags end the conversation.
- [How long does shipping from China to the US take in 2026?](https://plainfreight.com/guides/china-shipping-time): Express courier takes 5-7 days, air freight 5-10, sea LCL 25-50 days door to door; postal parcels 2-6 weeks. Real shipping times from China to the USA and what adds delay.
- [HS codes for China imports: how to find and use them](https://plainfreight.com/guides/hs-codes-china-imports): Your HS code sets your import duty rate and drives customs clearance. Here is how to find the right one for your goods, what gets you into trouble, and how to confirm it before you ship.
- [Incoterms for small importers: EXW, FOB, and DDP explained](https://plainfreight.com/guides/incoterms-small-importers): EXW, FOB, and DDP are the three Incoterms small importers from China encounter most. Here is what each one means for your costs, risk, and who is responsible for what.
- [US-China tariffs in 2026: what small importers need to know](https://plainfreight.com/guides/us-china-tariffs-2026): US-China tariffs are at historic highs in 2026. What small importers need to know about rates, exemptions, and keeping landed cost predictable despite the tariff pressure.
- [Shipping to Amazon FBA from China as a small seller](https://plainfreight.com/guides/fba-freight-from-china): How to ship from China to Amazon FBA: customs with you as importer of record, FNSKU prep before the warehouse, express 5-7 days or sea 25-50. The full process for small sellers.
- [What is LCL shipping? A plain-English guide for small China importers](https://plainfreight.com/guides/lcl-shipping-from-china): LCL (Less than Container Load) lets small importers share container space and pay only for what they use. How it works, what it costs, and when air freight wins instead.
- [DDP shipping from China: what it means and how to verify you're actually getting it](https://plainfreight.com/guides/ddp-shipping-from-china): DDP (Delivered Duty Paid) means one all-in price covering freight, customs, and duties. How to verify a forwarder's DDP quote is real and what the common gotchas are.
- [Do you need a customs bond to import from China?](https://plainfreight.com/guides/customs-bond-china-imports): A US customs bond is required for commercial shipments valued over $2,500 from China. Here is what it is, what it costs, and how a DDP forwarder handles it for you.
- [What is a customs broker and do you need one for China imports?](https://plainfreight.com/guides/what-is-a-customs-broker): A licensed customs broker files your import entry with CBP on your behalf. Here is what they do, what they cost, and when a DDP forwarder makes a separate broker unnecessary.
- [How to read a commercial invoice for a China import](https://plainfreight.com/guides/commercial-invoice-china-import): The commercial invoice is the most important document in a China import shipment. Here is every field CBP looks at, common mistakes that trigger delays, and how to check yours before the goods ship.
- [First-time importer checklist: 12 steps before your goods leave China](https://plainfreight.com/guides/first-time-importer-checklist): A step-by-step checklist for first-time importers sourcing from China. Covers supplier vetting, product compliance, shipping terms, customs documents, and payment timing so nothing falls through the cracks.
- [Payment terms with Chinese suppliers: T/T, LC, OA, and trade assurance explained](https://plainfreight.com/guides/payment-terms-chinese-suppliers): A plain-English guide to the four main payment methods for China imports: telegraphic transfer, letter of credit, open account, and Alibaba Trade Assurance. What each one protects and when to use it.
- [FCL vs LCL ocean freight: which one is right for your China shipment?](https://plainfreight.com/guides/fcl-vs-lcl-ocean-freight): FCL (Full Container Load) and LCL (Less than Container Load) are the two ways to ship ocean freight from China. This guide explains how each one is priced, when FCL becomes cheaper, and which is faster.
- [Section 301 tariffs on China imports: what they are and how much they add](https://plainfreight.com/guides/section-301-tariffs-china-imports): Section 301 tariffs add 7.5% to 145% on top of the standard duty rate for goods made in China. This guide explains which products are affected, how to look up your rate, and what options importers have.
- [What is a bill of lading and why it controls your China shipment](https://plainfreight.com/guides/what-is-a-bill-of-lading): The bill of lading is the most important document in an ocean freight shipment. It is the transport contract, the cargo receipt, and in some cases the title to the goods. Here is how it works for China imports.
- [How to find the HS code for your product (and why getting it wrong is costly)](https://plainfreight.com/guides/how-to-find-hs-code): The HS code determines your duty rate, Section 301 tariff, and whether your product needs special permits. Here is how to find the right 10-digit HTS code for goods imported from China.
- [The $800 de minimis rule for US imports: what it covers and what it does not](https://plainfreight.com/guides/de-minimis-rule-800-threshold): Shipments to the US under $800 in value can enter duty-free and with minimal paperwork under the de minimis rule. Here is how it works, what it does not cover, and how recent changes affect China imports.
- [Amazon FBA prep requirements for goods imported from China](https://plainfreight.com/guides/amazon-fba-prep-china-imports): Amazon FBA has strict labeling, packaging, and shipping requirements. Goods imported from China must meet these before arriving at a fulfillment center. Here is what you need to prepare.
- [How to ship samples from China: cost, customs, and what suppliers expect](https://plainfreight.com/guides/shipping-samples-from-china): Shipping samples from China before placing a bulk order is standard practice. This guide covers what samples cost to ship, how to declare them at US customs, and what to tell your supplier.
- [Factory vs trading company vs sourcing agent: who are you actually buying from in China?](https://plainfreight.com/guides/factory-vs-trading-company-vs-sourcing-agent): When sourcing from China, you may be buying from a factory, a trading company, or through a sourcing agent. Each has different price structures, minimums, and risk profiles. Here is how to tell them apart.
- [China product inspection: pre-shipment, during production, and container loading](https://plainfreight.com/guides/china-product-inspection-guide): A third-party inspection in China costs $200 to $400 and is the most effective way to catch quality problems before goods ship. Here is how pre-shipment, during-production, and container loading inspections work.
- [China to USA shipping timeline: how long does it actually take?](https://plainfreight.com/guides/china-to-usa-shipping-timeline): A China to USA ocean shipment takes 35-75 days to the West Coast, 50-90 to the East Coast, factory to warehouse. Stage by stage: production, booking, transit, customs, last mile.
- [Incoterms Explained: DDP vs DAP and What They Mean for Your China Shipment](https://plainfreight.com/guides/incoterms-ddp-vs-dap-explained): DDP and DAP are the two Incoterms that determine who pays import duties and handles customs clearance. Here is what each means and which one to use when sourcing from China.
- [Cargo Insurance for China Imports: What It Covers and Why You Need It](https://plainfreight.com/guides/cargo-insurance-china-imports): Most importers assume the carrier covers lost or damaged cargo. They are wrong. Here is how cargo insurance actually works for China shipments and what to buy.
- [How to Negotiate MOQ with Chinese Suppliers: A Practical Guide](https://plainfreight.com/guides/how-to-negotiate-moq-with-chinese-suppliers): Chinese suppliers set MOQs based on production economics, not arbitrary rules. Understanding why MOQs exist gives you a real negotiation strategy -- not just a plea to order less.
- [Packing List Requirements for China Imports: What to Include and Why It Matters](https://plainfreight.com/guides/packing-list-requirements-china-imports): A packing list is a required shipping document for every China import. Here is exactly what it must contain, how it differs from a commercial invoice, and what happens when it is wrong.
- [Canton Fair Sourcing Guide: How to Find and Vet Suppliers at the World's Largest Trade Fair](https://plainfreight.com/guides/canton-fair-sourcing-guide): The Canton Fair is the largest trade fair in the world, held twice a year in Guangzhou, China. Here is how to prepare, what to expect, and how to turn booth meetings into reliable supplier relationships.
- [Product Liability Insurance for Importers: What It Covers and Why You Need It](https://plainfreight.com/guides/product-liability-insurance-importers): When you import goods from China and sell them in the US, you are legally the manufacturer in the eyes of US product liability law. Here is what that means and how to protect your business.
- [US Customs Bond: What It Is, Who Needs One, and Continuous vs Single-Entry](https://plainfreight.com/guides/us-customs-bond-guide): A customs bond is required for any commercial import into the US valued over $2,500. Here is how bonds work, the difference between continuous and single-entry bonds, and when each makes sense.
- [Letter of Credit for China Imports: How It Works and When to Use One](https://plainfreight.com/guides/letter-of-credit-china-imports): A letter of credit (LC) is a bank-issued payment guarantee used in international trade. Here is how it works, when it makes sense for China imports, and why most small importers use T/T wire transfer instead.
- [Importer Security Filing (ISF): What It Is, What to File, and What Happens If You Miss It](https://plainfreight.com/guides/importer-security-filing-isf-guide): ISF (the 10+2 filing) is required for every ocean shipment to the US. It must be submitted 24 hours before loading at the origin port. Late or inaccurate filings carry penalties up to $5,000 per violation.
- [China Sourcing Agent: What They Do, What They Cost, and How to Avoid Bad Ones](https://plainfreight.com/guides/china-sourcing-agent-guide): A China sourcing agent finds factories, negotiates prices, manages quality control, and handles logistics on your behalf. Here is when to use one, what it costs, and the warning signs of a bad agent.
- [Product Certifications for China Imports: What You Need to Sell in the US](https://plainfreight.com/guides/product-certifications-china-imports-us): Selling imported products in the US requires specific certifications depending on the product category. Here is which certifications apply, who issues them, and what happens if you import without them.
- [US Customs Examination Types: VACIS, CET, Tailgate, and Intensive](https://plainfreight.com/guides/customs-examination-types-vacis-cet): CBP exam types compared: a VACIS X-ray runs $300-500 and 1-3 days; an intensive exam up to $5,000 and two weeks. What each involves, why shipments get flagged, and what it does to your timeline.
- [China Supplier Contracts: What to Include Before You Place an Order](https://plainfreight.com/guides/china-supplier-contract-essentials): A purchase order is not a contract. Before placing a large order with a Chinese supplier, these clauses protect you: product specs, inspection rights, IP ownership, payment terms, and dispute resolution.
- [Country of Origin Marking for US Imports: What the Rules Actually Require](https://plainfreight.com/guides/country-of-origin-marking-requirements): The official CBP rules: imports must be marked with their country of origin under Section 304. Violations carry a 10% marking duty and holds. What to mark, how, and the exemptions.
- [Anti-Dumping and Countervailing Duties on China Imports: How They Work](https://plainfreight.com/guides/anti-dumping-countervailing-duties-china): Anti-dumping (AD) and countervailing (CVD) duties can add 20% to 300% to the cost of certain Chinese goods on top of regular tariffs. Here is how to check whether your product is affected before you order.
- [Bonded Warehouses for China Imports: How to Defer Duties Until You Need the Goods](https://plainfreight.com/guides/bonded-warehouse-china-imports): A bonded warehouse lets you store imported goods without paying duties until the goods are withdrawn for domestic sale. For seasonal inventory and cash-flow-sensitive businesses, the timing difference can be significant.
- [LA/Long Beach vs. NY/NJ vs. Chicago: Choosing a US Port of Entry for China Imports](https://plainfreight.com/guides/us-port-of-entry-comparison-la-ny-chicago): Your choice of US port affects transit time, drayage cost, exam frequency, and inland delivery options. Here is how the three major gateway options compare for importers from China.
- [LCL Shipping from China: How Consolidation Works and When to Use It](https://plainfreight.com/guides/lcl-consolidation-china-imports): LCL (less than container load) lets small importers ship without filling a full container. You share space with other shippers and pay by the cubic meter. Here is how the process works and when LCL makes sense versus FCL.
- [Ocean Freight Surcharges Explained: What Every Line Item on Your Quote Actually Means](https://plainfreight.com/guides/ocean-freight-surcharges-explained): Ocean freight quotes include surcharges beyond the base rate. BAF, PSS, GRI, THC, EBS -- here is what each one is, who sets it, and whether you can negotiate it.
- [First Shipment from China: A Step-by-Step Checklist Before You Place Your Order](https://plainfreight.com/guides/first-shipment-checklist-china-imports): Before your first container or parcel arrives from China, these are the steps most new importers skip -- and pay for later. HTS code, customs bond, ISF, broker, and more.
- [Demurrage and Detention Charges: What They Are and How to Avoid Them](https://plainfreight.com/guides/demurrage-detention-charges-explained): Demurrage and detention are daily charges that add up fast when containers sit too long at the terminal or the empty box is not returned on time. Here is how they work and what drives the bills.
- [Kickstarter and crowdfunding: how to ship your product from China to backers](https://plainfreight.com/guides/kickstarter-crowdfunding-shipping-from-china): Crowdfunding creators shipping manufactured products from China to US backers face customs duties, fulfillment logistics, and one-time import complexity. A practical guide.
- [Etsy and eBay sellers: how to import from China without customs surprises](https://plainfreight.com/guides/etsy-ebay-sellers-shipping-from-china): Etsy and eBay sellers sourcing from China face mandatory customs duties after de-minimis ended. A practical guide to importing small lots cost-effectively in 2026.
- [Whatnot sellers: how to import inventory from China in 2026](https://plainfreight.com/guides/whatnot-shipping-from-china): Whatnot sellers sourcing collectibles, toys, beauty, and sneakers from China now face mandatory customs duties and no de-minimis exemption. A practical import guide.
- [Shopify sellers: how to ship from China to the US in 2026](https://plainfreight.com/guides/shopify-shipping-from-china): Shopify DTC brands sourcing from China now face mandatory customs duties, no de-minimis exemption, and new tariff rates. Here is how to import without surprises.
- [TikTok Shop shipping from China: what sellers need to know in 2026](https://plainfreight.com/guides/tiktok-shop-shipping-from-china): TikTok Shop US sellers sourcing from China face customs duties, tight restock timelines, and new de-minimis rules. Here is how to ship without surprises.
- [Shipping electronics from China to the US: duties, FCC rules, and battery restrictions](https://plainfreight.com/guides/electronics-shipping-from-china): Electronics are the top FBA import category but carry FCC requirements, lithium battery air rules, and varying duty rates. Here is what to check before your next shipment.
- [Shipping clothing and apparel from China to the US: duty rates, labeling, and customs rules](https://plainfreight.com/guides/clothing-apparel-shipping-from-china): Clothing from China carries some of the highest US import duty rates and strict labeling requirements. Here is what importers need to know before shipping apparel from China.
- [Overseas warehouses and FBA transshipment: restocking Amazon from a US warehouse](https://plainfreight.com/guides/overseas-warehouse-fba-transshipment): FBA transshipment via a US overseas warehouse: ship bulk from China by sea, hold inventory stateside, replenish Amazon in 2-3 days instead of 30. When the model pays off.
- [Pallet shipping from China to Amazon FBA: specs, appointments, and oversized freight](https://plainfreight.com/guides/pallet-shipping-china-to-fba): Shipping pallets from China to Amazon FBA: the 40x48 pallet spec, ISPM-15 heat treatment, delivery appointments, and how oversized products change the plan.

## Chinese guides

- [CPSC 电子申报 2026年7月8日起实施：从中国进口的卖家要做什么](https://plainfreight.com/zh/guides/cpsc-efiling-2026): 2026年7月8日起，受监管消费品的进口商必须在进口时向 CBP 电子申报合规证书。本文说明涵盖范围以及小进口商如何提前准备。
- [从中国海运的 ISF（10+2）申报：装船前24小时规则](https://plainfreight.com/zh/guides/isf-10-2-filing-china): 从中国海运的货物必须在装船前24小时完成 ISF 申报，否则面临5000美元罚款。本文说明10+2数据项以及小进口商如何保持合规。
- [中国到美国海运费由什么决定](https://plainfreight.com/zh/guides/ocean-freight-cost-china-usa): 为什么中国到美国的海运费波动这么大，小进口商如何提前规划：成本驱动因素、附加费，以及如何让报价更可预测。
- [小包裹从中国进口到美国：免税规则变化后要注意什么](https://plainfreight.com/zh/guides/china-small-parcel-import): 美国800美元小额免税规则结束后，小包裹也需要正式清关和关税处理。了解小进口商如何控制到岸成本。
- [中国到美国小批量货物：空运还是海运拼箱？](https://plainfreight.com/zh/guides/air-vs-sea-freight-china): 小批量货物从中国到美国，如何选择空运或海运拼箱？比较成本、时效和重量分界点。
- [小批量中国货物如何完成美国清关](https://plainfreight.com/zh/guides/us-customs-small-china-shipment): 了解小批量中国货物进入美国时需要哪些资料、HS编码、报关行角色，以及为什么会被海关查验或延误。
- [中国进口到美国的到岸成本如何提前估算](https://plainfreight.com/zh/guides/landed-cost-china-import): 到岸成本包括货值、运费、关税、报关和美国派送。了解下单前如何估算真实成本。
- [小卖家如何从中国发货到 Amazon FBA（2026年规则更新）](https://plainfreight.com/zh/guides/fba-freight-from-china): 中国发货到 Amazon FBA 全流程：以卖家为进口商完成美国清关，入仓前贴好FNSKU标签，快递5至7天、海运25至50天。小卖家实操指南。
- [如何选择从中国进口的货运代理](https://plainfreight.com/zh/guides/how-to-choose-freight-forwarder-china): 选错货运代理是小进口商最常犯也最昂贵的错误之一。了解选择货代时应该关注什么、应该提问什么，以及哪些红线信号意味着直接放弃。
- [2026年从中国发货到美国需要多长时间？](https://plainfreight.com/zh/guides/china-shipping-time): 快递门到门5至7天，空运5至10天，海运拼箱美西25至35天、美东35至50天，邮政小包2至6周。各运输方式的真实时效与延误因素。
- [中国进口HS编码：如何查找和正确使用](https://plainfreight.com/zh/guides/hs-codes-china-imports): HS编码决定关税税率和清关流程。了解如何为您的货物找到正确的编码，避免归类错误，以及发货前如何确认。
- [小进口商的贸易术语：EXW、FOB和DDP解析](https://plainfreight.com/zh/guides/incoterms-small-importers): EXW、FOB和DDP是小进口商从中国采购时最常遇到的三个贸易术语。了解每种术语对成本、风险和责任划分的影响。
- [2026年美中关税：小进口商须知](https://plainfreight.com/zh/guides/us-china-tariffs-2026): 2026年对中国商品的美国关税处于历史高位。小进口商需要了解当前税率、豁免情况，以及如何在关税压力下保持到岸成本可控。
- [什么是拼箱（LCL）？小批量中国进口商实用指南](https://plainfreight.com/zh/guides/lcl-shipping-from-china): LCL（Less than Container Load，拼箱）让小进口商按实际使用的立方米付费共享集装箱。了解LCL如何运作、费用构成，以及何时选择空运更合适。
- [从中国走DDP运输：含义、验证方法与常见陷阱](https://plainfreight.com/zh/guides/ddp-shipping-from-china): DDP（完税后交货）意味着一口价包含运费、清关和关税。如何核实货代的DDP报价是否真实，以及常见的DDP报价陷阱。
- [从中国进口需要海关保证金吗？](https://plainfreight.com/zh/guides/customs-bond-china-imports): 价值超过2500美元的商业货物进入美国须提供海关保证金。本文介绍保证金类型、费用及DDP货代如何代为处理。
- [什么是报关行？从中国进口需要报关行吗？](https://plainfreight.com/zh/guides/what-is-a-customs-broker): 报关行代表进口商向CBP申报进口手续。本文介绍报关行的职责、收费标准，以及DDP货代何时可以免去单独聘请报关行的麻烦。
- [如何阅读中国进口商业发票？](https://plainfreight.com/zh/guides/commercial-invoice-china-import): 商业发票是中国进口货物中最重要的单据。本文介绍CBP审查的每个字段、导致清关延误的常见错误，以及货物发运前的自查方法。
- [初次进口清单：货物离开中国前必须确认的12个步骤](https://plainfreight.com/zh/guides/first-time-importer-checklist): 为首次从中国进口的进口商提供分步清单，涵盖供应商审核、产品合规、运输条款、清关文件及付款时机，确保万无一失。
- [与中国供应商的付款方式：电汇、信用证、赊账与阿里巴巴贸易保障详解](https://plainfreight.com/zh/guides/payment-terms-chinese-suppliers): 用通俗语言解析从中国进口的四种主要付款方式：电汇、信用证、赊账及阿里巴巴贸易保障。了解各方式的保障范围、费用及适用场景。
- [FCL与LCL海运：哪种方式更适合您的中国货物运输？](https://plainfreight.com/zh/guides/fcl-vs-lcl-ocean-freight): FCL（整箱）和LCL（拼箱）是从中国发海运的两种主要方式。本文详解两种方式的计费逻辑、何时FCL更具价格优势，以及哪种方式更快。
- [301条款关税：对中国进口商品的影响及税率查询方法](https://plainfreight.com/zh/guides/section-301-tariffs-china-imports): 301条款关税在标准税率基础上对中国制造商品额外加征7.5%至145%。本文解析受影响的商品范围、如何查询适用税率，以及进口商可采取的应对措施。
- [提单是什么？为什么它决定着您中国货物的控制权](https://plainfreight.com/zh/guides/what-is-a-bill-of-lading): 提单是海运货物最重要的单据，既是运输合同，也是收货凭证，持有可转让提单即代表货物所有权。本文详解提单对中国进口商意味着什么。
- [如何查找您商品的HS编码（以及填错代价有多大）](https://plainfreight.com/zh/guides/how-to-find-hs-code): HS编码决定了您的关税税率、301条款附加税及是否需要特殊许可证。本文详解如何为从中国进口的商品找到正确的10位HTS编码。
- [美国进口800美元最低限额规则：适用范围与例外情况详解](https://plainfreight.com/zh/guides/de-minimis-rule-800-threshold): 价值800美元以下的货物可免税进入美国且手续简化。本文详解适用条件、排除情形，以及近期政策变化对中国进口商品的影响。
- [从中国进口亚马逊FBA商品的备货要求详解](https://plainfreight.com/zh/guides/amazon-fba-prep-china-imports): 亚马逊FBA对贴标、包装和发货有严格要求。从中国进口的商品在入库前必须符合这些规定。本文详解具体要求及常见错误。
- [如何从中国运送样品：费用、清关与供应商沟通要点](https://plainfreight.com/zh/guides/shipping-samples-from-china): 在下批量订单前从中国发样品是行业惯例。本文介绍样品运费、美国清关申报要求及与供应商的沟通要点。
- [工厂、贸易公司与采购代理：您究竟在向谁采购？](https://plainfreight.com/zh/guides/factory-vs-trading-company-vs-sourcing-agent): 从中国采购时，您可能在与工厂、贸易公司或采购代理打交道，三者的价格结构、起订量和风险各不相同。本文教您如何辨别。
- [中国产品检验指南：发货前检验、生产中检验与装箱监装](https://plainfreight.com/zh/guides/china-product-inspection-guide): 在中国委托第三方检验费用为200至400美元，是在货物发运前发现质量问题最有效的手段。本文详解发货前检验、生产中检验和装箱监装的流程与适用场景。
- [从中国到美国的运输时间：全程到底要多久？](https://plainfreight.com/zh/guides/china-to-usa-shipping-timeline): 中国至美国海运从工厂到仓库，美西约需35至75天，美东约需50至90天。本文按阶段拆解：生产、订舱、海运、清关和最后一公里。
- [国际贸易术语解析：DDP与DAP对中国进口意味着什么？](https://plainfreight.com/zh/guides/incoterms-ddp-vs-dap-explained): DDP和DAP是决定谁支付进口关税、谁处理清关手续的两种贸易术语。本文解析两者区别，帮您判断从中国进口时应选择哪种条款。
- [中国进口货物运输保险：保什么、为何必要？](https://plainfreight.com/zh/guides/cargo-insurance-china-imports): 大多数进口商误以为承运人会赔偿丢失或损坏的货物。事实并非如此。本文解析货运险的实际保障范围及中国进口货物的投保方式。
- [如何与中国供应商谈判MOQ：实用指南](https://plainfreight.com/zh/guides/how-to-negotiate-moq-with-chinese-suppliers): 中国供应商设定MOQ基于生产经济学，而非随意规定。理解MOQ存在的原因，才能获得真正有效的谈判筹码，而不仅仅是请求对方降量。
- [中国进口装箱单要求：必填内容与填写规范详解](https://plainfreight.com/zh/guides/packing-list-requirements-china-imports): 装箱单是每票中国进口货物的必备运输文件。本文详解其必填内容、与商业发票的区别，以及填写错误将导致的后果。
- [广交会采购指南：如何在全球最大展会找到并筛选供应商](https://plainfreight.com/zh/guides/canton-fair-sourcing-guide): 广交会是全球规模最大的贸易展会，每年在广州举办两届。本文介绍如何准备参展、现场如何操作，以及如何将展位洽谈转化为可靠的供应商合作关系。
- [进口商产品责任险：保障范围与必要性详解](https://plainfreight.com/zh/guides/product-liability-insurance-importers): 从中国进口商品并在美国销售，在美国产品责任法律框架下，您在法律意义上即等同于制造商。本文解析这意味着什么，以及如何保护您的企业。
- [美国海关担保金：是什么、谁需要它，以及年度担保与单票担保的区别](https://plainfreight.com/zh/guides/us-customs-bond-guide): 凡进口至美国、货值超过2,500美元的商业货物，均须提交海关担保金。本文解析担保金的运作机制、年度担保与单票担保的区别，以及如何选择适合您的类型。
- [中国进口信用证：运作原理与适用场景](https://plainfreight.com/zh/guides/letter-of-credit-china-imports): 信用证（LC）是国际贸易中由银行签发的付款保证工具。本文解析其运作机制、在中国进口中的适用场景，以及为何大多数小型进口商反而选择T/T电汇。
- [进口商安全申报（ISF）：申报内容、截止时间与逾期后果](https://plainfreight.com/zh/guides/importer-security-filing-isf-guide): ISF（10+2申报）是每票美国海运进口货物的强制性要求，须在货物在起运港装船前24小时提交。逾期或不实申报最高可被处以每次5,000美元罚款。
- [中国采购代理：职责、费用与如何识别不靠谱的代理](https://plainfreight.com/zh/guides/china-sourcing-agent-guide): 采购代理代您在中国寻找工厂、谈判价格、管理品质控制并处理物流事务。本文解析何时需要采购代理、费用结构，以及识别劣质代理的警示信号。
- [中国进口产品认证：在美国销售必须了解的合规要求](https://plainfreight.com/zh/guides/product-certifications-china-imports-us): 在美国销售进口产品须根据产品类别持有特定认证。本文解析各类认证的适用范围、签发机构，以及未持证进口的后果。
- [美国海关查验类型：VACIS、CET、尾门查验与精查](https://plainfreight.com/zh/guides/customs-examination-types-vacis-cet): 当CBP选择查验您的货物时，查验类型决定延误时间和费用。VACIS费用300至500美元，耗时1至3天。精查费用可达5,000美元，耗时两周。了解全部四种类型。
- [与中国供应商签约：下单前必须包含的条款](https://plainfreight.com/zh/guides/china-supplier-contract-essentials): 采购订单不等于合同。在向中国供应商下大额订单前，这些条款能保护您：产品规格、检验权、知识产权归属、付款条款和争议解决。
- [美国进口商品原产地标注要求：规则实际要求什么](https://plainfreight.com/zh/guides/country-of-origin-marking-requirements): 美国法律要求大多数进口商品标注其原产国。缺少或错误标注可能导致CBP扣押货物并征收标注关税。以下是规则的具体要求。
- [中国进口商品的反倾销税与反补贴税：运作机制详解](https://plainfreight.com/zh/guides/anti-dumping-countervailing-duties-china): 反倾销税（AD）和反补贴税（CVD）可在常规关税基础上为某些中国商品额外增加20%至300%的税率。以下是在下单前检查您的产品是否受影响的方法。
- [保税仓库与中国进口：如何在需要货物前延迟缴纳关税](https://plainfreight.com/zh/guides/bonded-warehouse-china-imports): 保税仓库允许您在不缴纳关税的情况下储存进口商品，直到商品被提取用于国内销售时才需缴税。对于季节性库存和对现金流敏感的企业，这种时间差可能非常显著。
- [洛杉矶/长滩 vs 纽约/新泽西 vs 芝加哥：为中国进口选择美国入境港](https://plainfreight.com/zh/guides/us-port-of-entry-comparison-la-ny-chicago): 美国入境港的选择影响运输时间、拖车费用、查验频率和内陆配送选项。以下是针对中国进口商三大主要门户港的比较。
- [从中国的拼箱运输：整合运作机制与适用场景](https://plainfreight.com/zh/guides/lcl-consolidation-china-imports): 拼箱（LCL）允许小型进口商在不装满整柜的情况下发货。您与其他托运人共享舱位，按立方米计费。以下是运作流程，以及拼箱与整柜的选择时机。
- [海运附加费详解：运价单每项费用的真实含义](https://plainfreight.com/zh/guides/ocean-freight-surcharges-explained): 海运报价包含基本运费以外的各种附加费。BAF、PSS、GRI、THC、EBS——以下是每项费用的含义、收取方，以及是否可以协商。
- [从中国首次进口：下单前的分步清单](https://plainfreight.com/zh/guides/first-shipment-checklist-china-imports): 在您从中国的第一个集装箱或包裹抵达之前，这些是大多数新进口商会跳过的步骤——然后为此付出代价。HTS编码、海关保证金、ISF、报关行等。
- [滞箱费与滞港费详解：产生原因与避免方法](https://plainfreight.com/zh/guides/demurrage-detention-charges-explained): 滞港费和滞箱费是集装箱在港口停放过久或空箱未及时归还时产生的每日罚款，费用累积迅速。本指南解释两者的区别及如何避免这些费用。
- [Kickstarter众筹：如何将中国产品发给美国支持者](https://plainfreight.com/zh/guides/kickstarter-crowdfunding-shipping-from-china): 从中国发货给美国众筹支持者的创始人面临关税、履约物流和一次性进口复杂性。实操指南。
- [Etsy和eBay卖家：如何从中国进口货物不踩清关坑](https://plainfreight.com/zh/guides/etsy-ebay-sellers-shipping-from-china): 从中国采购的Etsy和eBay卖家小额豁免取消后面临强制关税。2026年实操指南，帮你低成本进口小批量货物。
- [Whatnot卖家：2026年如何从中国进口库存](https://plainfreight.com/zh/guides/whatnot-shipping-from-china): 从中国采购收藏品、玩具、美妆和球鞋的Whatnot卖家现在面临强制关税，小额豁免已取消。实操进口指南。
- [Shopify 卖家：2026年如何从中国发货到美国](https://plainfreight.com/zh/guides/shopify-shipping-from-china): 从中国进口的 Shopify DTC 品牌现在面临强制关税、小额豁免取消和新关税税率。本指南帮你无意外地完成进口流程。
- [TikTok Shop 从中国发货：2026年卖家必知](https://plainfreight.com/zh/guides/tiktok-shop-shipping-from-china): TikTok Shop 美国卖家从中国进口面临关税、补货时效和新的小额豁免规则。本指南帮你无意外地完成整个流程。
- [从中国进口电子产品到美国：关税、FCC认证与锂电池限制](https://plainfreight.com/zh/guides/electronics-shipping-from-china): 电子产品是FBA最大品类，但涉及FCC认证要求、锂电池空运限制和差异较大的关税税率。本文介绍发货前的关键核查要点。
- [从中国进口服装到美国：关税税率、标签要求与清关规定](https://plainfreight.com/zh/guides/clothing-apparel-shipping-from-china): 中国服装在美国进口关税中属于最高档次之一，同时有严格的成分、原产国和护理标签要求。本文介绍服装进口商的核心须知。
- [海外仓中转补货FBA：用美国仓库给亚马逊快速补货](https://plainfreight.com/zh/guides/overseas-warehouse-fba-transshipment): 海外仓中转FBA模式：海运整批发到美国仓库，需要时2至5天补货亚马逊，不再依赖30天以上的中国直发。本文分析何时划算。
- [中国发托盘货到 Amazon FBA：托盘规格、预约送仓与超大件](https://plainfreight.com/zh/guides/pallet-shipping-china-to-fba): 从中国发托盘货到 Amazon FBA：40x48英寸托盘规格、ISPM-15热处理要求、送仓预约流程，以及超大件产品如何改变运输方案。