Answer · 5 min read · Updated June 2026

What is an NNN agreement and do I need one in China?

Most importers try to protect a custom product with the Western NDA they already use at home. In China that document usually does nothing. Here is what an NNN covers, when you actually need one, and what makes a Chinese court enforce it.

What an NNN agreement covers in China: Non-Disclosure, Non-Use, Non-Circumvention, and what makes it enforceable before you share a design
Short answer

An NNN agreement stops a Chinese supplier from three specific things: Non-Disclosure (sharing your product information), Non-Use (making the product for itself or anyone else), and Non-Circumvention (selling around you to your own customers). You want one signed before you share any design, spec, sample, or tooling, because a standard Western NDA is rarely enforceable in China. To work, an NNN must be written in Chinese, governed by Chinese law, enforceable in a Chinese court with authority over the supplier, and carry a fixed penalty for breach.

In this answer
  1. What an NNN actually covers
  2. Why a Western NDA fails in China
  3. Do you actually need one?
  4. What makes an NNN enforceable
  5. When to sign it
  6. What an NNN does not do

What an NNN agreement actually covers

NNN stands for Non-Disclosure, Non-Use, and Non-Circumvention. Each part closes a different way a factory can take your product out from under you:

  • Non-Disclosure keeps the supplier from sharing your designs, drawings, specifications, or business information with anyone else.
  • Non-Use keeps the supplier from using your information to build the product for itself or for a competitor. This is the clause that matters most, and the one a plain NDA leaves out.
  • Non-Circumvention keeps the supplier from going around you to sell directly to your customers or distributors.

A factory that signs all three has agreed, in writing and under Chinese law, not to turn your own product into its next product line.

Why a Western NDA does not protect you in China

Most importers reach for the NDA they already use at home. In China that document usually does nothing, for two reasons.

An NDA only covers secrecy. The real exposure in China is a factory quietly running your product on a night shift and selling it under its own name, or to the buyer down the street. A pure NDA says nothing about that risk. The Non-Use clause is written for exactly it.

The second problem is enforcement. A typical Western NDA is in English, governed by foreign law, with disputes sent to a court back home. A Chinese court will generally not enforce a foreign judgment, and the factory holds no assets in your country to pursue. You win on paper and collect nothing. The specialist China-law firm Harris Sliwoski has documented this pattern for more than a decade.

Do you actually need one?

In almost every case where you hand a factory something it could copy, yes. You need an NNN if you have a custom design, a proprietary product, your own brand, a mold or tooling, or detailed specs a competitor could not pull from a catalogue. That describes most people who are manufacturing rather than buying stock goods off the shelf.

The weakest case is a plain catalogue item with no branding and no custom design, bought as-is. Even there, the Non-Circumvention clause earns its place if the factory could reach your customers. When you are unsure, sign one. A templated bilingual NNN costs a few hundred dollars. A cloned product can cost you the business.

What makes an NNN enforceable

A document with "NNN" at the top does nothing by itself. Four things make a Chinese court act on it:

  • Chinese as the controlling language, so the court and the factory's own lawyers read the obligations you actually intended.
  • Chinese governing law, not the law of your home country.
  • Jurisdiction in a Chinese court with authority over the supplier, usually where the factory is registered, so a ruling can freeze its assets.
  • A fixed contractual penalty. Chinese courts find lost profits hard to calculate, so the agreement names a set amount due on breach. A reasonable liquidated-damages figure lets a court grant a fast asset freeze instead of waiting out a long damages fight.

Sign with the factory's official company chop and its exact registered Chinese legal name, by the legal representative. Confirm that name on the business license and the government registry at gsxt.gov.cn before anyone signs.

Sign it before you share anything

Timing decides whether the NNN does its job. Get it signed before you hand over the first detailed spec or sample, and before any factory call where you explain what you are making. Once your design is already sitting in a supplier's inbox, an NNN signed after the fact is far weaker, and the supplier has less reason to agree to one at all. Make a signed NNN the gate every new factory passes before you send a single drawing.

What an NNN does not do

An NNN is a deterrent and an enforcement tool, not a force field. Treat it as one layer of a few:

  • Register your trademark in China. China is first-to-file. Skip this and a factory or a squatter can register your brand and block your own exports, NNN or not.
  • Register a design or utility-model patent in China if the product justifies it.
  • Split sensitive production across more than one supplier so no single factory holds the whole product.
  • Share only what each supplier needs to do its part.

The NNN is what gives those moves teeth. On its own it already tells a factory you know the rules and will use a Chinese court if you have to, and that signal alone takes you out of the easy-target column.

Where Mila Sourcing fits

A bilingual NNN, signed before any design or money moves, is built into how we run every order. We confirm the factory's registered Chinese name against its business license, put a Chinese-language NNN with a real penalty clause in front of it, and only then start sharing your specs. That is the groundwork under Sourcing Activation and Full Production Management.

Related, if you're protecting a product right now:

Protected before you wire money

Get a bilingual NNN signed before you share a design.