We are specialized in the production of rolling shutter spring wire. We strictly manufacture according to the national steel wire standard. In order to reach different levels of tensile strength, our steel wire is of different specifications, by diameter, steel grade and wire diameter. Professional sales and technical personnel to develop a consistent production process according to the requirements of different customers. First-class equipment, perfect quality control system, and strict quality inspection department strictly control the quality of spring steel wire, ensuring that every batch of steel wire that we manufacture can meet customers’ requirements. For purchase, please contact us!

Uses: compression springs, tension springs, torsion springs, brake springs, mechanical springs

Standards: DIN 17223, EN 10270, GB 3206, JIS G 3521, GB 4357

Steel Grade: 77A, 77B, 80, 82A, 82B

Diameter: 5.00-12.50mm