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The Factory Floor Library

The China Sourcing Library

Every week I publish one report from inside Shanghai: what goes wrong between buyers and factories, why it happens, and what to do before it costs you. Everything here is free to read, and every claim is sourced. Start with the six essentials, or pick a topic.

24 reports and guides14 with video10 quick answersNew every week

One report every Thursday. Free.

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How China Sourcing Agents Really Get Paid
New this week

How China Sourcing Agents Really Get Paid

The man helping you in China may not be a salesman. Many agents are paid from both sides of the same order, a fee from you and a commission from the factory you never see. Here is how it works, what Chinese law says about it, and the clause that stops him taking your customers.

Watch and read the full report →

How to import from China safely: six reads before your first order

New to buying from China, or about to wire a first deposit? Read these in order. Each one closes a door that costs buyers real money.

  1. How to Check a China Supplier Before You Wire a DepositMake sure it is a real factory, and the bank account is really theirs.
  2. NNN vs NDA in China: Which Protects Your DesignProtect your design before you send a single file.
  3. China Supplier Contract Guide: Which Agreement Do You Need?Pick the contract a Chinese court will actually read.
  4. Is Alibaba Trade Assurance Safe?Know what protects your money, and what does not.
  5. What It Really Costs to Import From ChinaKnow your real cost per unit before you order.
  6. How China Sourcing Agents Really Get PaidKnow who the people helping you really work for.

Prefer to watch? ▶ Watch this playlist on YouTube

Check the supplier, protect the money

Before a deposit leaves your account: is this a real factory, is the bank account really theirs, and what protects you if it goes wrong.

The tool for this job: The 7-Factor Supplier Vetting System →

Contracts, designs and molds

What a Chinese court will actually enforce, how to stop a factory using your design, and how to keep the tooling you paid for.

Video report · Sep 2026

Who Owns Your Mold in China?

You paid for the mold, but the invoice does not prove you own it. What really decides mold ownership under Chinese law, and the three things that keep the tooling yours.

Read →
Video report · Aug 2026

Your NDA Won't Protect Your Product in China

A Western NDA only blocks disclosure. In China the factory can still use your design itself and sell around you. The NNN agreement a Chinese court will actually enforce, and the three steps before you send a single file.

Read →
Guide · Aug 2026

NNN vs NDA in China: Which Protects Your Design

Why a US-style NDA usually fails in China, and why an NNN is what actually stops a factory from copying your product: a plain side-by-side and the governing-language point most buyers miss.

Read →
Guide · Jul 2026

China OEM Agreement: What It Is and When You Need One

What a China OEM agreement is, when you need one, and the clauses that actually protect your IP, your tooling and your molds.

Read →
Guide · Jun 2026

China Supplier Contract Guide: Which Agreement Do You Need?

Which contract to use at each stage of a China supplier relationship, what each agreement covers, and why Western templates fail in Chinese courts.

Read →

The tool for this job: The China Contracts Vault →

Negotiating With Chinese Factories

Who the people helping you really work for, what a factory's yes really means, and why price-only buyers get bumped first.

The tool for this job: The China Negotiation Script Pack →

Prefer to watch? ▶ Watch this playlist on YouTube

Costs, tariffs and margins

The factory quote is the first line of the math, not the answer. Every cost that lands on your side of the ocean.

The tool for this job: The Tariff and Landed-Cost App →

Inside China: Tech, Factories and What Comes Next

Chips, magnets, batteries, medicine, ships and oil. The single points of failure behind the products you buy, and the dates to watch.

Video report · Aug 2026

The $6.5 Trillion Hiding in Your Supply Chain

Chips, magnets, medicine, batteries: four industries, one hidden step in one country. The IEA puts $6.5 trillion of production at risk if the controls are enacted in full.

Read →
Video report · Aug 2026

The Battery Price Fell for Three Years. The Metal Inside It Tripled.

Battery packs hit a record low while the lithium inside them tripled, because someone chose to absorb it. A November deadline could reverse the cheapest input in your product.

Read →
Guide · Aug 2026

Why Your Supply Chain Is Hiding a 5-Year Shortage

44% of drugs in shortage trace to a key starting material made in a single country, and the average shortage now lasts over five years. Where a product is finished and where its chemistry is made are two different maps.

Read →
Video report · Jul 2026

The Five Cent Part That Stopped A Ford Plant

China makes 94% of the world's permanent magnets. A five-cent one paused a Ford plant, and a November 10 deadline could change how every buyer gets them.

Read →
Video report · Jul 2026

One Island Controls 90% of Microchips. Prices Just Exploded.

One company on one island makes nine out of every ten advanced chips on earth. This year it started raising prices, and that lands on your phone, your car, and your AI bill.

Read →
Video report · Jul 2026

China Won 72% Of The World's Ships. Then Comes November 9.

China won 72% of the world's new ship orders, and on November 9 a suspended US fee on Chinese-built hulls is set to expire. Nobody knows which way it breaks.

Read →
Video report · Jul 2026

China's Oil Lifeline Is One Missile Away

A fifth of the world's oil passes through a lane two miles wide, and China is the main buyer of the oil most exposed there.

Read →

The tool for this job: The free weekly briefing →

Prefer to watch? ▶ Watch this playlist on YouTube

Sourcing guides by product

What to check, test and ask for in the categories I audit most, before you order a single pallet.

The tool for this job: The factory audit field apps →

Quick answers from the floor

Short, direct answers to the questions buyers ask me most.

Your question is not here? Ask the Floor →

What to get next

The buyers who get the most from this pair it with the tools below. Each one protects the next step.

Work With Me
You have the system. Now get the person.
I'm on the ground in Shanghai every week: supplier visits, audits, negotiations. cengiz@thefactoryfloorhq.com
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The Factory Floor HQ · SourceProGZ Limited, Hong Kong