... produce kinds of machine parts according your drawing and have good quality. 1) Size: Different size, according to customer's drawings ,2) Material ... CNC machining ,solw wire-cutting, auto lathe, drilling, polish machine etc4) Precision:+/-0.01mm5) Art of surface: zinc/nickel/ ... hot galvanized, painting,coating, dichromate plating6) Applications:sewing machine,textile machine,auto spare parts,ect.