商品介绍
1. Material:
Chinese brands: carbon steel, cold rolled steel, stainless steel (06Cr19Nil10, etc.), beryllium copper, phosphor copper, brass, music wire or piano wire, 60Si2Mn, 55CrSi, etc.
Japanese brands: SWC, SWP, SUP12, SUS304, etc
American brand: SAE9254, ASTM A227M, ASTM A228M
2. Surface treatment: blackening, zinc / nickel / chromium / silver, shot peening, etc.
3. customizable: it can be made according to your drawings, samples and dimensions.
4. packaging: inner plastic bags and outer cartons or wooden cases, or customized according to customer requirements.
1. provide technical drawings, detailed dimensions or sample quotation. We can also design springs according to your requirements.
2. confirm all terms, such as delivery time, payment terms, packaging, transportation mode, etc.
3. mass production starts after the sample passes.
4. confirm the delivery time.
5. customer feedback and after-sales service.
1. large production capacity and fast delivery.
2. strict QC inspection before delivery.
3. we can design the most suitable products for you
4.24-hour online service.
5. we will quote for you at the first time
6.20 years of original production experience.
7. professional spring manufacturers provide competitive prices.
8. Passed ISO 9001:2015 and SGS certification