material:ductile iron.grey iron standard:JIS,DIN,ASTM,BS weight:0.1kg-1000kg certificate:ISO9001-2000 material:ductile iron.grey ironstandard:JIS,DIN,ASTM,BSweight:0.1kg-1000kgcertificate:ISO9001-2000we can produce any kind of cacting with different materials,any need,please send me detailed drawingThe factory can carry out the whole casting procedure in sequence from mold-designing,molding, ...