... ,powder coating and painting according to customer's requirements.High quality control.100% inspection before shipping. Competitive price, fast ... customers' drawings or samples.3).Materials: Stainless steel ,cold work steel ,spring steel ,aluminum alloy,brass, bronze,copper, ... :0.01mmSurface RoughnessRa01.6SoftwarePro/E,Auto CAD,Solid work,UG,CAD,CAMAnnual Capacity:100,000pcsMOQ:10pcsLead Time: ...