| Verification area |
Buyer question |
Required evidence |
| Product identity |
Is the quoted model identical to the listed model? |
Model-specific data sheet and drawing |
| Materials |
Which acrylic, frame, jet, and pump materials are used? |
BOM and supplier records |
| Compliance |
Do certificates match the destination market? |
Current model-specific certificates |
| Customization |
Which features can be changed? |
Approved customization list |
| Quality control |
What is tested before shipment? |
Inspection and water-test checklist |
| Logistics |
How many units fit per container? |
Loading plan and packing list |
| Warranty |
What is covered and for how long? |
Signed warranty terms |
| After-sales |
How are parts and claims handled? |
Service policy and parts list |