1.Material :brass 2.Surface: polishing, nickel /zinc/chrome plated , phosphating etc. 3.High accuracy, reasonable price , high quality, customized service 4.Main equipment: numerical control lathe, automatic lathe, hand lathe grinder, thread rolling machine, tapping drilling machine etc. 5.Advanced measuring &testing equipment:projecting apparatus, roughness tester, hardness tester, concentricity tester etc. 6.Quality assurance in accordance with iso9001:2000 7.Parts are produced according to customers' drawing or sample. Has the special request, make a note According to your requirements