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Qingdao Tianwei Casting (located in Qingdao,Shandong,China) is very specialized in investment casting,precision casting and sand casting to produce all types of engineering/metal parts. We can cast more than 100 kinds of alloys.
As for investment casting(lost-wax casting method),we have two production lines: silica-gel and water-glass so that we can meet the different demand of different customers.

Investment casting(lost-wax investment casting):stainless steel,carbon steel,alloy steel,duplex stainless steel,iron casting. ISO9001:2000 certificated.
Sand casting: stainles steel 304,316;duplex stainless steel 17-4ph,630;heat-resisting steel,high alloy steel.

Part name: Auto parts,overflow valve parts, Pipe fitting,flange,pump body,pump cover,valve body ,valve cover,impeller(Primary,HP),bearing,gear,gearbox,bolt socket,bracket,tee coupling,fork,fuel pipe,knuckle,fuel filler,connection shaft,housing,mounting bracket,steel elbow,guide vane,golf putt head,vacuum pump parts,sewage pump case,axial flow pump impeller,draught fan case,tank cap,compressor case,double suction impeller,ring drive;union M/F,hexagon cap,hexagon plug,socket bended,coupling,hexagon nipple,square plug,reducing tee,hexagon bushing,cross pipe,reducing elbow,hose nipple.

Machining: lathing/turning,milling,drilling,grinding,
Tapping threads,5-axis CNC machining;CMM inspection; spectrometer for checking chemical compositions; mechanical properties testing; pressure-testing under water;anti-rust oil;salt spray test.
Heat treatment: solution annealing,normalization,quenching and tempering,
carburizing treatment ,case-hardening, nitriding treatment.

Surface treatment:
zinc-coating,nickel-plating,blackening,mirror-polishing,satin-polishing,E-polishing.Dacromet surface treatment.

We would like to become your Chinese production base!
Sincerely hope to cooperate with you!

Best regards
Maria Li