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,we have two production lines: silica-gel and water-glass so that we can meet different demand from different customers.
Investment casting(lost-wax investment casting):stainless steel,carbon steel,alloy steel,duplex stainless steel,iron casting. ISO9001:2008 certificated.
Sand casting: stainless steel 304,316;duplex stainless steel 17-4ph,630;heat-resisting steel,high alloy steel，duplex stainless steel,super alloy.

Key words:automoible,motocycle/bicycle/truck/car part,excavator pump,water pump,oil pump,pump(housing)body,pump cover,valve(housing) body ,overflow valve,valve cover,air cylinder;vacuum pump,sewage pump case,axial flow pump; impeller(Primary,HP),draught fan case;tank cap,compressor case,double suction impeller,drive ring,engine component;pipe fitting,flange,bearing,gear,gearbox,bolt socket,bracket,tee coupling,fork,knuckle,fuel pipe,fuel filler,connection shaft,housing,mounting bracket,steel elbow,guide vane,golf putt head,union M/F,hexagon cap,hexagon plug,socket bended,coupling,hexagon nipple,square plug,reducing tee,hexagon bushing,cross pipe,reducing elbow,hose nipple;austenitic stainless steel,martensitic stainless steel.
Machining: lathing/turning,milling,drilling,grinding,tapping threads,five-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.

Qingdao Tianwei Casting is an ideal metal stock for your engineering solutions.
We would like to become your Chinese production base!
Sincerely hope to cooperate with you!
Best regards	
Maria Li
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主营产品或服务: 硅溶胶精密铸造、水玻璃精密铸造和砂型铸造。公司可以生产各类不锈钢，碳钢，合金钢,双相不锈钢等铸造产品，可实现的后处理：手喷吵表面，酸洗钝化，热处理，精密机械加工，拉丝抛光或镜面抛光，电解抛光,发黑，镀铬，镀镍，镀锌；可加工螺纹：DIN，BSPT，BSPS，NPT。