| 1 | Glass compatibility | Product drawings, installation instructions, and stated glass-thickness range | Confirm the clamp or support is designed for the intended glass thickness and installation method. | ____ / 5 |
| 2 | Load capacity and testing | Load-test report stating the test setup, mounting surface, anchors, and safety assumptions | A load rating is meaningful only when its test conditions and installation details are clear. | ____ / 5 |
| 3 | Material specification | Bill of materials or material declaration for the bracket, screws, pads, and other components | Check that materials suit the intended environment, especially damp or coastal locations. | ____ / 5 |
| 4 | Finish and corrosion resistance | Finish options, care instructions, and applicable coating or corrosion-test records | Match the finish to the use environment; request test conditions rather than relying on general durability claims. | ____ / 5 |
| 5 | Dimensional consistency | Dimensioned drawings, tolerances, and inspection records for production samples | Compare samples with approved drawings, including hole positions, clamping surfaces, and supplied hardware. | ____ / 5 |
| 6 | Quality management | Current quality-management certificates, scope, issuing body, and certificate validity | Verify certificates with the issuer. ISO 9001 relates to a quality-management system; it is not a product load rating. | ____ / 5 |
| 7 | Customization and engineering support | Available drawing formats, sample process, tooling details, and written change-control procedure | Confirm how design changes are approved and how the final production version is documented. | ____ / 5 |
| 8 | Packaging and transit protection | Packaging specification, carton details, and photos of packed samples | Check protection against scratching, part-to-part contact, and damage during the planned shipping route. | ____ / 5 |
| 9 | Lead time and order terms | Written sample and production lead times, minimum order quantity, and payment terms | Ask whether quoted lead times include approvals, finishing, inspection, and packing. | ____ / 5 |
| 10 | Export and compliance documentation | Commercial invoice, packing list, origin information, and destination-market declarations where applicable | Confirm the documents required for the destination market. Environmental declarations such as RoHS should be checked for applicability to the product and market. | ____ / 5 |