... ASTM/BS/JIS/DIN approve 4.Perfect for machine part Centrifugal pump impeller 1.Material:cast iron prodcuts2.Size-Shape:any item ... are widely used in Injection Molding Machine, Automobile Parts, as well as hydraulic machines and Wind Driven Generator.Factory have advanced ... several cranes of 50 tons, 30 tons, 20 tons as well as 10 tons , 1-70-ton rotary short blasting machine ...