... ;aluminum:2011,2024,6063,6061,7075.2manufacturing methodhigh precision CNC machining, stamping, forging, casting,3diameter0-120 mm,4length0 ... with over 100 sets of CNC and punching machines , 100 sets of instrument lathes and 5 sets of diecasting machines, HuaYun has ... Scientific Management", HuaYun is focused on R&D of precision CNC machining parts and keeps improvingworkmanship and product quality. ...