1. Heavy Duty Spring, made of various steel; 2. RoHS compliance; 3. Made in ISO/TS16949 factory; 4. OEM/ODM service. 1). Specifications: Product NameCustom Heavy Duty Spring Wire Diameter0.02 to 20mm are availableMaterialStainless steel, carbon steel, spring steel, alloy spring steel, and refractory steel are ok Surface Treatment (Finish)Zinc-plated, nickel-plated, chrome-plated, silver-plated, ...
