... steel, iron, etc.2) Process: precision investment casting / lost wax casting.3) Machining: turning, milling, drilling, grinding, ... Welcome to contact us for more information! JINHUI Casting & Forging Factory DetailsEmployee400 for foundry, 60 for ... exportingMain ProductsRailway parts, Auto parts, Marine Parts, Investment castings, Forging parts,MachinedParts, etc. Investment casting also called "lost ...