Beijing Changhang Precision Casting Technology Co., Ltd. specializes in stainless steel, non-ferrous metal, and superalloy precision castings. Main products include cobalt-based alloy orthopedic implant casting , cast-to-size impellers and blades for aircraft, trains, and ships, hollow blades, ceramic core castings, heat-resistant blocks, and various precision casting mechanical components. Products are widely used in medical, aviation, aerospace, metallurgy, chemical, construction, and military