... auto engine, chasis parts, valve parts, construction equipment and the parts, mining equipment and the parts. All the parts are exported to Germany, USA etc.A) Casting parts ... , aluminum, bronze, brass.2) Precision investment casting parts: Carton steel parts.Stainless steel parts,Brass casting parts. 3) Gravity casting parts: Aluminum castring parts. Brass casting parts.4) Weight: 0.2-400 ...