... ,DIN,BS,JIS. 4.Processs:sand casting 5.Test:UT,MT Iron Sand Casting Pump Body for Machine1.we are the leading and professional ... sand casting foundry in North China for more than ... :GB,ASTM,AISI,DIN,BS,JIS.4.Material:Gray iron,ductile iron,malleable iron,carbon steel,heat-resisting steel,alloy steel,aluminum,brass ...