| 1 | Product suitability | Confirm the tarp is designed for the intended cargo, transport conditions, and exposure to weather or abrasion. | Product specifications, technical drawings, and a sample matched to the intended use. |
| 2 | Material specification | Check the stated base fabric, coating or lamination, thickness or weight, and construction details. | A written material specification and test results for the quoted product, where available. |
| 3 | Dimensions and customization | Verify available sizes, tolerances, edge finishing, reinforcement, eyelets, and custom configurations. | Approved drawings or a sample specification showing measurements and construction. |
| 4 | Performance testing | Identify which performance properties matter for the application, such as tensile strength, tear resistance, or water resistance. | Test reports that identify the tested material, method, date, and results. Check whether testing was performed by an independent laboratory. |
| 5 | Quality control | Ask how incoming materials, production steps, finished goods, and nonconforming products are inspected and recorded. | Documented inspection procedures, sample inspection records, and a clear process for handling defects. |
| 6 | Production capability | Determine whether the supplier can meet the required product configuration, order quantity, and production schedule. | A production plan, confirmed lead time, and a factory audit or live production review when practical. |
| 7 | Compliance and traceability | Check the requirements of the destination market and whether product batches and materials can be traced. | Applicable declarations, certificates, or test reports, verified for scope, validity, and product relevance. |
| 8 | Packaging and export readiness | Confirm packing method, labeling, shipment documentation, and the agreed delivery terms. | A written packing list, packaging details, and a clear quotation specifying delivery terms. |
| 9 | Commercial transparency | Compare quotations on the same specification and clarify minimum order quantity, tooling or setup charges, payment terms, and exclusions. | An itemized quotation and written confirmation of all order terms. |
| 10 | Communication and after-sales support | Assess response clarity, willingness to resolve technical questions, and the process for claims or replacement requests. | Written response commitments, warranty terms if offered, and a documented complaint-handling process. |