... 000.000pcs/year Product information for Precision forging and threading Material Steel,Zinc,Aluminum,Brass Surface Nickel plating, ... carton with iron pallet for save ship Key dimension 100% inspection before be shiped Main processes Machining,, drilling, threading, knurling ... Co., Ltd. has offered quality precision machiningservice .Equipped with over 120 sets of CNC machine and punching machines, ...