Since its foundation, Beijing Changhang Investment Casting Co., Ltd. has been paying emphasized attention to R & D of high-tech products, with its new product coming out every year. At present, it has developed products such as rough cobalt-based alloy artificial joints, cast non-allowance impellers, vanes and air-core vanes for aircrafts, trains and ships, as well as various high-temperature resistant, abrasion-proof and corrosion-resistant products and so on, which are widely used in the fields such as medicine, aviation, space flight, metallurgy, chemical industry, construction and military industry. High-tech products have become the mainstay for the company’s development.