| After-sales Service: | Quality Warranty |
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| Warranty: | 25 Years |
| Certification: | GB, ISO, TUV, CE |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier | Product name | Rhombus Nut |
| Place of Origin | Qingdao,China |
| Material: | SUS304(Stainless Steel),Q235B(Carbon Steel) |
| Color: | Silver or customized |
| Size: | 5-500mm,or customized |
| Grade: | 4.8, 6.8, 8.8, 10.9, 12.9 A2-70, A4-80,etc. |
| Finish: | Passivation,Hot-Dip Galvanized(HDG) |
| Warranty: | 5 years |
| Payment: | T/T, L/C,etc. |
| Packing: | bulk in cartons (25kg Max.)+Pallet or customized |
| Sample: | Free samples for standard fastener |
Q: Are you a manufacturer or a Trading company?
A: We are a leader manufacturer of solar PV mounting systems and related accessories since 1999, with rich practical experience and mature production technology, and has several production lines, and our products have won the favor of customers from all over the world.
Q: What can you get from us?
A: -Professional analysis on the project, supply professional design and drawings from the engineers team
-Big annual capacity of 5GW will guarantee the fast delivery for all the clients
-24H services before selling and after selling from our engineers team and sales team
-High quality control system to guarantee the high quality for every order
-Competitive price from good management on supplier-chain system and high automated equipment
-New products launching every year
-New information from market and industry updating every month
-5 years' warranty
Q: How to guarantee the quality?
A: - A counter sample will be confirmed and sealed by both sides before bulk production.
-The professional prodution technical instruction is available for all the bulk procedure.
-3 QC steps for every order, including incoming material inspetion, on-site inspection and final inspection.
- Professional testing will be done according to the detailed standard.
Q: Why we are better?
A: - Big production capacity, 2 production base in China.
- Rich production experience, we have 22 years in this industry.
- More than 30 professional engineers for quality control and R&D.
- Competitive price, 5-10% better than the market price, as we have a good raw material supplier chain and quality control system.
Suppliers with verified business licenses
Audited Supplier 
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