... 2)high precision 3)quality be assured 4)competitive price and service 1)Equipment:stamping machines,Hydraulic press machines,Auto-Turning ... ,bending machines,stamping equipment for carbon dioxide gas arc welding and argon-arc welding 2)Material: iron, carbon steel, stainless steel ... , E-coating, Silkscreen, Heat treatment, Black oxid round metal tension pulling wires spring