... 5Brand:Shantin,OEM Other name:water pump impeller,washing machine impeller,pump impeller,impeller partsManufacturing process:investment casting ... : surface treatment, polishing, machining, plating, heat treatment etc.4.Application: pump & valve, shipbuilding industry, heavy machinery, engineering ... .Weight Range: depending on casting process from 0.5kg up to 5000kg.7.Dimensions: depending on shape ...