... alloy castings.2.Manufacturing Processes: sand casting, investment casting, centrifugal casting etc.3.Technology: surface treatment, polishing, machining, ... plating, heat treatment etc.4.Application: mining equipment, pump & valve, ship building industry, heavy machinery, engineering machinery, ... 5 kilograms to 80 kilograms, the largest single sand casting weight is up to 5,000 kg.7.Standard: ...