1. Vacuum Pump casing 2. OEM Brand 3. 100% replacement spare parts 4 ... steel, bronze, cast iron, cast steel, stainless steel, Hastelloy alloy, Stellite alloy, Mondale alloy, and other alloy castings.2.Manufacturing Processes: ... polishing, machining, plating, heat treatment etc.4.Application: mining equipment, pump & valve, ship building industry, heavy machinery, engineering machinery, water treatment ...