... . 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 ... and price.2.Processs:sand casting3.Sandard:GB,ASTM,AISI,DIN,BS,JIS.4.Material:Gray iron,ductile iron,malleable iron,carbon steel,heat-resisting ...