Qingdao Tianwei is very specialized in investment casting and sand casting to produce all types of engineering/metal parts. We can cast about 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.
Sand casting: stainless steel 304,316;duplex stainless steel 17-4ph,630;heat-resisting steel,high alloy steel.