Shijiazhuang Tongjia Stainless Steel Products Co., Ltd. was founded in 1998.It has been a special manufacturer of precision casting in China, supplying a wide range of high-quality precision castings and machined products. It is a member of China Foundry Association.

We can produce 1500 tons of precision castings and 1000 tons of machined products per year. If needed, we also offer the parts to print completely, including machining, heat treating, plating, painting.The precision castings are produced with Silicasol lost-wax process (green wax).

At Tongjia, quality control is an active, not passive, function of manufacturing. Quality assurance starts the minute raw materials come in the door and continues through every stage of the manufacture process. We achieve part-to-part consistency, so the last product is the same high quality as the first. We work to ISO 9001:2000, PED97/23/EC and AD-W0 requirements - standards of excellence that are recognized around the world.