An importer asks for a quotation, receives a competitive price and assumes the supplier owns the factory shown in the profile. Later, the factory address changes, the production manager cannot answer technical questions, or the invoice comes from another company. This does not always mean the supplier is dishonest. It often means the buyer has not identified who sells the product, who makes it and who is responsible when something goes wrong.

A direct factory and a trading company can both be useful China suppliers. The choice depends on the order: one stable product at meaningful volume, a mixed range from several workshops, a development project, or a smaller order that needs consolidation. The practical task is to verify the supplier’s role and make its responsibilities visible in the quotation, purchase order, quality plan and payment chain.

What a factory and trading company actually do

A factory controls at least a defined production process. It may mold plastic, cut and sew fabric, assemble electronics, machine metal or complete final assembly and testing. Many factories still buy parts and outsource secondary processes such as printing, plating, heat treatment or packaging. Calling a company a factory does not mean every operation occurs in one building.

A trading company sells goods made by one or more factories. It may source products, compare workshops, coordinate samples, translate requirements, combine orders, arrange inspection and manage export paperwork. Some traders specialize deeply in one category and know its supplier network well. Others offer a broad catalogue but have limited control of technical details.

How to tell which type of supplier you are dealing with

Do not rely on the website name, marketplace badge or sales representative’s job title. Compare the legal company, factory site and payment recipient. Request the Chinese business licence, registered Chinese name and unified social credit code. Check who employs the workers, owns or leases the production space, controls the equipment and signs the sales contract.

• Ask for the address where your exact model will be produced, assembled, tested and packed.
• Compare the company on the business licence with the quotation, contract, bank beneficiary and export documents.
• Request a live video walk-through or an on-site audit that follows material flow from incoming inspection to finished-goods storage.
• Ask technical questions that require production knowledge: cycle time, line capacity, key material source, process tolerance, testing equipment and current bottleneck.
• Check whether the supplier must ask an unnamed third party before answering every manufacturing question.
• For outsourced steps, record the subcontractor, process, transport between sites and who inspects the returned goods.

Our guide on verifying a Chinese supplier before paying a deposit covers licence, bank-account and operating-address checks in more detail. The goal is not to force every supplier into one label. It is to map the parties that control money, materials, production and shipment.

When buying direct from a factory makes sense

A direct factory is usually attractive when the order fits its normal process, volume and product family. The buyer can discuss tolerances, material changes, production timing and defects with the people who control the line. Repeat orders also make process improvement easier because both sides can track the same tooling, work instructions, failure modes and approved component list.

Choose a factory when these conditions are present

• One product or a narrow family represents most of the order value.
• The expected volume supports the factory’s material and production MOQ.
• Technical customization requires direct access to engineering, tooling or firmware decisions.
• Quality depends on a controlled process that the buyer wants to audit and improve over time.
• The buyer can manage product specifications, sampling, follow-up, inspection and export coordination directly or through a local sourcing team.

Direct sourcing can fail when the factory accepts a product outside its real capability. A metal workshop may quote an assembled consumer item and quietly buy several components elsewhere. An electronics assembler may use a catalogue battery or enclosure controlled by another supplier. Ask which value-adding process occurs in-house and where the critical components come from.

When a trading company can be the better supplier

A capable trading company can reduce coordination work for a buyer who needs several products, lower quantities or a category that relies on specialized subcontractors. The trader may know which workshop is suited to each material, maintain relationships that secure smaller production runs, and combine goods into one inspection or shipment. That service has value when it is defined and measured.

Choose a trading company when these conditions are present

• The order contains several SKUs or processes that no single factory makes well.
• Individual quantities are below normal factory MOQs but can be placed through established supplier relationships.
• The program needs one team to coordinate samples, artwork, packing, inspection and consolidation across workshops.
• The destination or customer requires export documents and communication that the production factory cannot handle reliably.
• Speed of supplier switching and assortment development matters more than owning a single production relationship.

The risk is opacity. A trader that hides factories, changes sources without approval or cannot explain its inspection process leaves the importer exposed. Require disclosure of the actual production site for critical goods, written approval for factory changes and the right to inspect at the production location. If full factory disclosure is commercially sensitive, the trader should still provide verifiable evidence and accept clear responsibility for quality and compliance.

Why the factory is not always cheaper

A factory quotation can be lower because there is no separate trading margin. It can also be higher because the requested quantity is inefficient for the production line, the factory buys components at a small scale, or its export team prices risk into the order. A trader may obtain a better workshop price through repeat volume, use existing stock materials or consolidate freight. Compare the delivered commercial package instead of comparing one ex-factory unit number.

Ask both supplier types to quote the same specification, Incoterm, packaging, quality standard, test scope and delivery point. List tooling, testing, inspection and domestic logistics separately. If one quotation remains vague, it is not ready for a price comparison.

Product development changes the decision

For a custom product, the best partner is the one that can control the development path. A factory with suitable engineering and tooling may shorten feedback loops. A specialist trading or sourcing company may be better when the product combines plastic, electronics, textile, packaging and assembly from different suppliers. The importer should know who owns drawings, tooling, firmware, prototypes and the final bill of materials.

Use milestones: requirements approved, engineering sample, functional prototype, pilot build, packaging sample and mass-production release. State which change requires written approval. If the supplier changes the production factory after sample approval, treat that as a material change and reassess the sample, process and compliance evidence. Our product development guide explains how to move from an idea to a controlled manufacturing file.

Quality control depends on authority, not the supplier label

A factory can still ship defects if its sales team overrides quality staff or if the buyer’s specification is weak. A trading company can deliver consistent goods if it uses controlled suppliers, retains approved samples, conducts incoming checks and has authority to reject production. Ask who makes the pass, rework and shipment decision.

1. Create a specification with materials, dimensions, tolerances, workmanship limits, performance tests, labels and packaging.
2. Approve a traceable golden sample and identify which features it controls.
3. Define critical, major and minor defects before mass production.
4. Require notification and approval for changes to factories, sub-suppliers, materials, components, tooling and firmware.
5. Inspect finished and packed goods using random carton selection and a pre-agreed sampling plan.
6. Hold shipment and balance approval until material defects, quantities and required documents are resolved.

Use our commodity product inspection guide to structure the lot, sample and defect decision. For higher-risk orders, add a factory audit before deposit and a pre-shipment inspection before the balance payment.

Control the contract and payment chain

The sales contract should name the entity receiving payment and define its responsibility for the delivered product. If a trading company signs the order, do not accept a later claim that defects are solely the factory’s problem. If the factory asks for payment to a separate export agent, document the relationship and confirm the instruction through trusted contacts before transferring funds.

• Use the verified legal name and bank beneficiary; investigate unexplained account changes.
• Attach or reference the approved specification, sample, artwork, test requirements and packaging files.
• State the production site and require written consent before moving the order.
• Define delivery date, inspection access, defect remedy, reinspection and replacement responsibility.
• Align deposit and balance milestones with evidence the buyer can verify.

These controls matter with both supplier types. The label ‘factory direct’ does not protect a payment, and a trading margin does not create automatic accountability. The contract, evidence and buyer’s ability to hold shipment are what make responsibility enforceable in the workflow.

Use a scorecard instead of one universal rule

Score each candidate on product fit, technical access, MOQ, total cost, sample quality, production visibility, change control, corrective-action ability, communication and logistics. Weight the criteria for the actual order. A commodity reorder may prioritize price and capacity. A new electronic product may prioritize engineering and compliance. A mixed promotional program may prioritize supplier coordination and warehouse consolidation.

Keep evidence beside each score. ‘Good communication’ is an impression; ‘answered the tolerance question within one day and supplied a process-control sheet’ is useful evidence. Revisit the score after sampling and inspection because supplier behavior during a problem is often more informative than the first quotation.

How Direct Sourcing China can support the choice

Direct Sourcing China can verify supplier roles, visit operating sites, compare factories and trading companies on the same brief, coordinate samples, control production changes, arrange pre-shipment inspection and consolidate goods through a local warehouse. We do not assume that one supplier type is always superior. We identify the structure that fits the product and make responsibilities visible before money and production are committed.

If you are comparing quotations, send us the product specification, quantity, current suppliers and target market. We can help determine whether direct factory sourcing, a specialist trader or a managed multi-supplier approach gives the order the clearest control.

Frequently asked questions