Product Description

Qingdao Tianwei is very specialized in investment casting and sand casting to produce all types of engineering/metal parts. We can cast about **0 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.
Sand casting: stainless steel **4,**6;duplex stainless steel ***4ph,**0;heat-resisting steel,high alloy steel.

Machining:lathing/turning,milling,drilling,grinding,
tapping the threads,five-axis CNC machining;CMM inspection; spectrometer for checking chemical compositions; mechanical properties testing; pressure-testing under water;anti-rust oil;
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