... : OEM Model Number:customer designed Application:Machinery Standard:JIS,GB,DIN,GOST,ASTM,ISO, Proces:sand casting Certification:ISO9001:2008 Packing ... (3)Dimensions testing (4)Prevailing microstructure testing 1)Material:grey iron,ductile iron by vacuum casting,sand casting,lost foam casting or CNC ... ) OEM supplier,we have a foundry and a machining shop. Cast Iron FCD450 flange