... die castingOur company can produce various aluminm/zinc die casting parts, sand casting parts, gravitycasting parts etc.We have 8 ... sets 88t-800t die-casting machines, 4000 m2 sand casting workshop, various CNC machining equipment. We ... Hard anodize, Natural oxidation, Black oxidation,hot galvanizedPlating: Zinc, Nickel,Silver,Tin,chrome,gold,Sand blasting.PolishingPaintingHeat treatment ...