1)material:grey iron or ductile iron; 2)standard:JIS,DIN,ASTM,BS 3)weight:3-1000kgs 4)production technic:Japan Sino FBO, FBM equipment 5)machining equipments:Korea Hyundai-kia machine equipment,Nc Milling,Horizontal CNC machining center,Nc lathe,Machining workshop 6)Chemical equipments:Spectral Analyzer,metallurgical microscope,Flaw detector,Brinell hardness tester,Material Universal Tester 7)dimension check equipment:CMM machine