... of the CY hareware manufacturer : 1) 8years production experience,2) CNC machining hardware manufacturer ,3) Varuiys types 4) OEM is welcome. Features ... , brass, gray iron,3.Process: investment casting, die casting, gravity casting, sand casting4.Machining: turning, milling, drilling, grinding, threading, CNC machining, etc.5.Finishing: sand blasting ...