1. Material SKD11,SKS3,TC,45# 2. Process Drilling,milling,EDM, Wire,nickel,chrome plating,etc 3. Precision stamping shrapnel Precision ... coated, etcUsing forManufacturing partsProcessing equipmentCNC lathe, drilling, Centreless grinding machine, EDM, Wire machine and Surface grinding machine, etc Precision Stamping Shrapnel