A supplier can be a factory, a trader, an integrator or a hybrid. The label matters less than the evidence. What the buyer needs to know is who builds the machine, who tests it, who controls the quality record and who supports it after arrival.
Use this checklist to verify the supplier’s role instead of relying on a homepage claim.
1. Match the legal entity to the offer
Ask for:
- full legal company name
- registered address
- factory address
- bank account name
- quotation issuer
- invoice issuer
The names should be consistent, or the relationship between the entities should be explained. A different bank account is a serious red flag until independently verified.
2. Ask for a live factory call
A pre-recorded factory video is a marketing asset. A live call should show:
- the current production floor
- employees and work in progress
- the relevant machine type
- the assembly and test area
- the component storage and packing area
- the certificate documents
You do not need a cinematic tour. You need to see that the claimed activity is happening.
3. Trace the build
Ask the supplier to explain the process from order to shipment:
- configuration review
- frame and mechanical assembly
- electrical and safety
- software setup
- cutting test
- final inspection
- packing and documents
A real builder can explain the checkpoints and who signs them. A catalogue seller may only be able to describe the finished product.
4. Inspect the component choices
A machine is more than a model number. Ask about:
- frame construction
- servo and drive brand
- guide rail and rack
- cable management
- vacuum pump
- control system
- safety devices
Component brands are evidence, not proof of quality. The integration and testing still matter, but vague claims are weaker than a clear bill of materials.
5. Ask what the factory does not make
A transparent supplier will identify the parts or processes that are outsourced. Most machine builders buy motors, controls, rails, pumps and fasteners. The question is whether they control the assembly, configuration, test and support.
A supplier who claims to manufacture every component is not necessarily more credible. The useful answer is specific.
6. Verify the certificates
Check the issuer, certificate number, scope and validity date. Ask whether the exact model and configuration are covered. A certificate for a related product family is not automatically a certificate for the machine being quoted.
CE and ISO documents are part of the evidence pack, not a replacement for the cutting test.
7. Request a material test
Ask for the actual material and drawing. The test should show:
- the tool selected
- the feed and oscillation
- the vacuum zones
- the number of passes
- the edge result
- any limitation
A supplier who will not test the material is asking the buyer to accept an unverified process.
8. Check the after-sales route
Ask:
- who answers technical questions
- what languages are supported
- how spare parts are identified
- what the warranty covers
- how installation and training are handled
- what happens if the machine is down
- what response time is realistic
The answer should include names of roles, not just “24/7 support”.
9. Compare the quotation to the test
The machine in the quotation should match the machine in the test. If the test used a different tool, table or vacuum setup, ask why. The production machine should be configured around the proven result.
A practical red-flag list
Be cautious if the supplier:
- cannot show the factory or the build process
- changes the bank account at the last minute
- gives a price without a specification
- refuses a sample test
- claims every material is suitable
- cannot explain the certificate scope
- has no clear spare-parts list
- treats “after-sales” as a promise without a process
The goal is not to find a perfect company. It is to understand the supplier’s actual role and the evidence behind the offer.
For a factory walkthrough or a machine-specific discussion, contact Shilai.