... CY hareware manufacturer : 1) 8years production experience,2) CNC machining hardware manufacturer ,3) Varuiys types 4) OEM is ... Diecasting parts - Zamac , Copper ,Aluminum, Zinc Stamping part :1.stamping material :steel ,aluminum,zinc,stainless steel, ... die casting, gravity casting, sand casting4.Machining: turning, milling, drilling, grinding, threading, CNC machining, etc.5.Finishing: sand blasting, ...