... Motorcycle, Accumulator Car, Bicycle, Fitness Equipment, Elevator, Steel Wire Screen, Mattress And Sofa, Umbrella Frame, Electronic Products, ... extension spring, agricultural machines, die springs, strip & wire forming springs.SpecificationsDia 0.20-12.50mm Grade 35-90# Standard ... Heading SteelProduction capacity: 10000 ton/monthhigh carbon steel wire rodUsed to make steel nail, mechanical spare parts ...