... ;stainless steel,alloy steel. 2.Wire Dia.:0.01mm-10mm 3.ISO9001 Stainless steel wire form spring1.Material:carbon steel;spring ... Line Capacity Actual Units Produced(Previous Year) Spring, Pin, Stamping, Clip Spring 117,100,000 Pcs Per Year ... , Pin 12,000,000 Pcs Per Year, Stamping 9, ... ,000 Pcs Per Year Spring 69,000,000 Pcs, Pin 6,000,000 Pcs, Stamping 5,000,000 Pcs, ...