Shenzhen Machinery Supplier Delivered Equipment That Does Not Meet Specifications: What Can Buyers Do?

Buying machinery from a Chinese supplier can involve significant risks when the equipment delivered does not match the specifications agreed upon in the contract, purchase order, technical agreement, or pro forma invoice.

The problem may involve incorrect dimensions, insufficient capacity, unsuitable materials, missing functions, incorrect electrical specifications, poor performance, or other technical defects.

For a foreign buyer, the key question is not simply whether the equipment is defective. The more important question is whether the buyer can prove that the delivered equipment does not conform to the contractual requirements and recover the resulting losses.

1. What If the Chinese Supplier Delivers Equipment That Does Not Meet the Specifications?

The first step is to compare the equipment actually delivered with the contractual specifications.

Relevant documents may include:

• Purchase contracts
• Pro forma invoices
• Purchase orders
• Technical specifications
• Drawings
• Product descriptions
• Emails and messages
• Alibaba or other platform records
• Pre-shipment inspection reports
• Photos and videos
• Factory acceptance test records
• Installation and commissioning records

The contractual requirements do not necessarily appear in one document.

For example, the buyer may have provided detailed technical requirements by email before the purchase order was issued. If those requirements were accepted by the supplier and incorporated into the transaction, they may become important evidence in a later dispute.

2. Common Types of Machinery Specification Disputes

Machinery disputes can involve many different types of non-conformity.

Capacity Problems

For example, the contract may require a machine to process 1,000 units per hour, while the delivered machine can only process 600 units per hour under the agreed operating conditions.

Incorrect Dimensions

The equipment may be larger or smaller than the dimensions specified in the technical documents.

This can be particularly serious when the machinery must fit into an existing production line or factory.

Incorrect Materials

The supplier may use different materials, components, or grades from those specified by the buyer.

For industrial machinery, the difference between specified and actual materials can affect durability, safety, and performance.

Electrical or Safety Requirements

The machinery may be delivered with incorrect voltage, frequency, electrical components, safety devices, or certification.

These issues can prevent the equipment from being legally or practically used in the buyer’s country.

Missing Functions or Components

Sometimes the main machine is delivered, but important accessories, software, control systems, spare parts, or components are missing.

The buyer should determine whether those items were included in the contractual scope of supply.

3. The Contractual Specifications Are Critical

A machinery dispute should normally be analyzed based on the documents forming the parties’ agreement.

A supplier may argue that the equipment satisfies the general product description even though it does not satisfy the buyer’s detailed technical requirements.

For this reason, buyers should preserve the complete negotiation history.

For example, the following documents may need to be reviewed together:

1. The original quotation;
2. Technical specifications;
3. Drawings;
4. Emails and messages;
5. Purchase orders;
6. Pro forma invoices;
7. The final contract;
8. Inspection records; and
9. Shipping and delivery documents.

The exact wording of these documents can determine whether a particular specification was a binding contractual requirement or merely a preliminary discussion.

4. How Can a Buyer Prove That the Machinery Does Not Meet the Specifications?

Evidence is often the most important part of the dispute.

The buyer should document the non-conformity as soon as possible after receiving the machinery.

Useful evidence may include:

• Detailed photographs;
• Videos showing the equipment operating;
• Measurement records;
• Testing results;
• Inspection reports;
• Independent expert reports;
• Serial numbers;
• Component identification;
• Factory test records;
• Installation records;
• Communications with the supplier; and
• Records of the supplier’s responses to the buyer’s complaints.

Where the dispute involves technical performance, an independent inspection can be particularly useful.

A simple statement such as “the machine does not work properly” may not be sufficient.

A stronger approach is to identify the specific contractual requirement, the actual result, the testing method, and the difference between the two.

5. Should the Buyer Stop Using the Equipment?

This depends on the nature of the problem.

If continued operation could cause further damage, create a safety risk, or make later evidence collection more difficult, the buyer should consider stopping operation until the situation is documented.

However, stopping production may also create substantial losses.

The buyer should therefore preserve evidence before making significant changes to the equipment whenever possible.

If repairs or modifications are necessary, the buyer should document the original condition carefully before the work begins.

6. Can the Buyer Ask the Chinese Supplier to Replace or Repair the Equipment?

Potential remedies depend on the contract, applicable law, and the seriousness of the non-conformity.

Possible remedies may include:

• Repair;
• Replacement of defective components;
• Re-manufacturing;
• Completion of missing functions;
• Price reduction;
• Refund;
• Compensation for certain losses; or
• Termination or cancellation of the transaction where legally available.

The appropriate remedy depends on the actual facts.

For example, replacing a defective control component may be relatively straightforward.

However, if the entire machine was manufactured according to incorrect specifications, repairing individual components may not solve the underlying problem.

7. What If the Supplier Says the Buyer Approved the Equipment?

This is a common issue in machinery disputes.

The supplier may argue that the buyer:

• Approved the drawings;
• Conducted a factory inspection;
• Accepted a pre-shipment inspection;
• Signed an acceptance document;
• Failed to raise objections before shipment; or
• Accepted delivery without immediate objection.

These facts can be important.

However, their legal significance depends on the exact contractual terms and circumstances.

For example, approval of a drawing may not necessarily mean that the buyer waived all claims concerning performance that could only be tested after installation.

The buyer should therefore preserve the entire inspection and approval process rather than relying only on the final acceptance document.

8. What If the Machinery Was Purchased Through Alibaba?

If the transaction was conducted through Alibaba or another online platform, the buyer should preserve all platform records.

These may include:

• Product listings;
• Online quotations;
• Trade Assurance orders;
• Messages;
• Technical attachments;
• Payment records;
• Shipping records;
• Inspection records; and
• Dispute records.

The platform’s dispute mechanism may provide one possible avenue for recovery, depending on the transaction and applicable platform rules.

However, buyers should not assume that a platform dispute will resolve every contractual or technical issue.

A machinery dispute may involve substantial damages that require a more detailed legal and technical assessment.

9. What If the Supplier Refuses to Fix the Problem?

If the supplier refuses to resolve the problem, the buyer should normally move from informal negotiation to a structured legal strategy.

A practical sequence may be:

Step 1: Preserve the Evidence

Collect the contract, technical specifications, communications, photographs, videos, testing results, payment records, and shipping documents.

Step 2: Identify the Exact Breaches

Create a table comparing:

Contractual Requirement → Actual Equipment → Evidence → Resulting Loss

This can make the dispute much clearer.

Step 3: Assess the Supplier

The buyer should also investigate the Chinese supplier’s:

• Legal entity;
• Registered address;
• Business status;
• Shareholders;
• Legal representative;
• Assets;
• Litigation history; and
• Ability to satisfy a judgment.

Winning a dispute is only part of the recovery process.

Step 4: Send a Formal Demand

A formal demand letter can identify the contractual breaches and specify the remedies requested.

Depending on the circumstances, the letter may request repair, replacement, refund, compensation, or another specific solution.

Step 5: Consider Litigation or Arbitration

If negotiation fails, the buyer may need to consider litigation or arbitration in accordance with the dispute resolution clause.

The contract should be reviewed carefully before selecting the forum.

10. Can a Buyer Recover Production Losses?

Potentially, but this is usually more complicated than recovering the purchase price.

A buyer may claim losses associated with:

• Additional repair costs;
• Replacement equipment;
• Transportation;
• Installation;
• Testing;
• Production interruption;
• Additional labor;
• Customer claims; or
• Other documented losses.

Whether a particular loss can be recovered depends on applicable law, the contract, causation, foreseeability, evidence, and any contractual limitations of liability.

For this reason, buyers should document losses contemporaneously rather than calculating them only after the dispute has escalated.

11. What If the Buyer Has Already Paid the Full Purchase Price?

Full payment does not necessarily mean that the buyer has no legal remedies.

The buyer’s rights depend on the contractual obligations of the supplier and the applicable law.

However, full payment can create a practical problem: the supplier has already received the money while the buyer is holding defective or non-conforming equipment.

This makes early assessment of the supplier’s assets and willingness to cooperate particularly important.

12. What If the Supplier Is Located in China?

If the supplier is a Chinese company, a buyer may need to consider Chinese legal procedures.

Depending on the dispute resolution clause, this may involve:

• Negotiation;
• Arbitration;
• Litigation before a Chinese court; or
• Enforcement against the supplier’s assets.

The supplier’s exact registered legal entity should be identified before legal proceedings are initiated.

This is particularly important where the buyer originally dealt with a brand name, sales representative, trading company, or factory rather than the actual contracting entity.

13. What Should Foreign Buyers Do Before Ordering Machinery From China?

The best time to reduce the risk is before payment.

Buyers should consider:

• Clearly defining technical specifications;
• Including detailed drawings and performance standards;
• Identifying critical components;
• Defining testing procedures;
• Specifying acceptance criteria;
• Establishing inspection rights;
• Defining remedies for non-conforming equipment;
• Confirming the supplier’s legal identity;
• Using appropriate payment terms; and
• Choosing an appropriate dispute resolution clause.

For expensive machinery, a professional pre-contract review can be considerably less expensive than trying to recover the purchase price after the equipment has already been shipped.

14. How a Chinese Machinery Dispute Lawyer Can Help

A lawyer handling the dispute can review the transaction from both a contractual and practical perspective.

The assessment may include:

1. Reviewing the purchase contract and technical specifications;
2. Identifying potential breaches;
3. Reviewing the evidence of non-conformity;
4. Assessing the buyer’s potential claims;
5. Investigating the Chinese supplier;
6. Sending a formal demand;
7. Negotiating with the supplier;
8. Evaluating litigation or arbitration options; and
9. Assisting with enforcement and recovery.

The most important question is usually not simply whether the machinery is defective.

It is whether the buyer can establish, with reliable evidence, that the supplier failed to deliver what was contractually agreed and that the buyer suffered legally recoverable losses as a result.

Conclusion

When a Chinese machinery supplier delivers equipment that does not meet the agreed specifications, the buyer should act quickly to preserve evidence and establish exactly what was promised and what was delivered.

The strongest cases usually have a clear documentary trail connecting the contractual specifications, the actual condition or performance of the machinery, and the buyer’s resulting losses.

Before sending a demand or starting litigation, the buyer should review the contract, technical documents, inspection records, communications, payment records, and evidence concerning the supplier’s identity and assets.

For significant machinery disputes, an early legal assessment can help determine whether negotiation, a formal demand, arbitration, litigation, or another recovery strategy is appropriate.

Legal Contributors

Legal professionals contributing to this article and related legal analysis.

Qiang Lyu

Attorney-at-law (PRC) ｜ Cross-Border Dispute Resolution

Qiang Lyu focuses on cross-border commercial dispute resolution, China supply chain disputes, international trade litigation, and foreign-related debt recovery matters. He has represented and assisted clients from the United States, Japan, South Korea, and Europe in disputes involving Chinese manufacturers, suppliers, and international business transactions.

His practice also includes China company law, intellectual property matters, and commercial contract disputes involving foreign-invested businesses and cross-border commercial activities.

Email: lvqiang_at_lyuandassociates.com Please replace "_at_" with "@" before sending your email.

Tel / WhatsApp / WeChat: +86 187 9542 8064