... machine, polishing machine, milling machine.c. We can do testing of hardness, salt spray test, coating and so on.SPECIFICATION:MATERIAL ... MAKING VARIOUS STAMPING PARTS. IF YOU HAVE ANY SPECIAL REQUIREMENTS OF MATERIAL, FINISH, HARDNESS, PACKING AND SO ON, PLS GIVE US ... CHANCE TO WORK WITH YOU. Precisiom machining pins with cotter pin & lanyard