Qingdao Zhenghao Precision Casting CO.,LTD is located atJimo District of Qingdao and established at end of 2008.We adopt advanced silica sol precision casting process and a set of advanced equipment and material testing machine,whichautomatically control from wax dissolving,injection,dewaxing,roasting to casting.In-situ determination and analysis of material composition of molten steel with spectroscopic ana-lyzer for different materials in each furnace.if casting isinsufficient,Itcannot be used,which fundametally guarantee the quanlity and reliability of products.The company covers 3500 square meters.It has 60 experiencedemployees and technicians.Every years 300 tons production ca-pacity.The company produces various ultra-thin, high precis-ion, special specifications of various stainless steel prec-ision castings, carbon steel precision castings, alloy steelprecision castings products which suitable for machinery, aviation, shipping, automotive, petrochemical, communication-s, sports equipment and other industries.