1.Centrifugal pump spare parts 2.CD4MCU stainless steel 3.Super abrasion & corrosion ... , polishing, machining, plating, heat treatment etc.4.Application: mining equipment, pump & valve, ship building industry, heavy machinery, engineering machinery, water treatment ... is from 0.5 kilograms to 80 kilograms, the largest single sand casting weight is up to 5,000 kg.7 ...