Qingdao Tianwei Casting

Our company specializes in producing all kinds of machinery accessories by casting technology.At present we have three production lines: silica-gel precision casting, water-glass precision casting and sand casting. We can supply you with stainless steel, carbon steel, alloy steel，duplex steel casting products. The commonly-used materials are 304, 316, 304L, 316L,42CrMo,35CrMo,C45,C40,C20,A105,4140,WCB,309L,17-4PH, 630.etc;Casting weight range:0.35oz~200lb; Casting standard:GB,ASTM,AISI,DIN,NF,JIS,BS and AS; Aftertreatment: sand-blasting,pickling and passivation,heat-treatment,precise machining,satin polishing or mirror polishing,electronic polishing,blackening,chrome-plated,nickel-plated and zinc-coating. Machined threads:DIN，BSPT，BSPS，NPT.