... : 1.material : 2.standards:JIS,DIN,ASTM,BS 3.process: casting valve 4.Weight:26kg 1.Material: gray iron,ductile iron, carbon ... to the customers drawing and requirements.5.Main products : precision casting ,sand casting.6.Manufacturing equipment: electric furnace, mid-frequency Induction furnace ... INDUSTRY CO., LTDADD: Youjia Industry Zone, Ganjingzi District, Dalian , China casting valve