1.Precision casting 2.Submersible pump impeller 3.Stainless steel casting 4.OEM impeller ... , stainless steel, Hastelloy alloy, Stellite alloy, Mondale alloy, and other alloy castings.2.Manufacturing Processes: sand casting, investment casting ... , machining, plating, heat treatment etc.4.Application: mining equipment, pump & valve, ship building industry, heavy machinery, engineering machinery, water ...