Advanced Technology & Materials Co., Ltd. (AT&M) was mainly initiated by the Central Iron & Steel Research Institute and co-founded by the other five partners including Tsinghua Unisplendor (Group) Corp. The registered office of the company is in Zhongguancun Science & Technology Park, Beijing. After the examination and approval of the China Securities Regulatory Commission, AT&M issued 60 million A-shares on Shenzhen Stock Exchange in May 2000. By the end of 2001, the registered capital of the company amounted to RMB244.16 million. The high-tech advanced materials industry, which is the core business of the company, falls into the following five categories: Extra-hard and refractory materials: diamond products, hard alloy products, refractory alloy products and other powder metallurgical products; Metallic functional materials: amorphous and nanocrystalline alloy, sintered RE permanent magnet, bonded RE permanent magnet, soft magnetic alloy and their products;Biomedical materials: dental silver amalgam, silver amalgam capsules, amalgamator and interventional therapeutic instruments;Fine metal products: flux-cored welding wire, special welding materials, super alloy, precision alloy, precision metals, porous filtration materials and filtration systems; Industrial engineering and advanced manufacturing technology: high precision hoop rolling mill, high speed screw thread rolling mill, and relevant supporting technologies.