ss304 valve body casting 1.material:SS,CS, AS,ETC 2.standard:AISI,BS,DIN,ASTM etc 3.silica sol precision casting ss304 valve body casting 1.material:stainless steel,carbon steel,alloyy steel etc2.standard:AISI,BS,DIN,ASTM etc3.ISO9001:2000 approved4.technique:silica sol technique5.production capacity:more than 60 tons per month6.we can do the parts according to the clients' requirement. ss304 ...