Grinm Advanced Materials Co., Ltd. engages in the research and development, manufacture, and sale of advanced materials in the nonferrous metals industry in China. The company offers rare earth (RE) magnetic materials, including RE permanent magnets, RE giant magneto-strictive materials, RE magnetic refrigerant materials, etc.; and RE luminescent materials, such as aluminates, nitrides, silicofluorides, metal halides, etc. It also provides RE compounds comprising RE oxides; salts and composites with various purities, particle sizes, and special microstructures, including anhydrous RE halides; and Zr-based composite RE oxides, such as ScZr, YZr, and CeZr. In addition, the company offers RE metals; RE alloys, which include DyFe, HoCu, Y-Al, and Er-Al; optoelectronic film materials consisting of high purity metal materials, and sputter target and evaporation materials used in electronic information industry; biomedical materials, including SMA vascular stent-grafts, archenteric stents, correction instruments for pectus excavatum, and orthodontic devices; rare and precious metals; and optical fiber application materials, such as GeCl4, Sicl4, and other high-purity optical fiber application materials. Further, the company provides infrared optical materials comprising standard and multispectral ZnS, CVD ZnSe, chalcogenide glasses, and various optical polishing and coating products; and photoelectric materials consisting of HB-GaAs, germanium and GaP monocrystals, GaAs monocrystals, infrared optical germanium monocrystals, and dislocation germanium monocrystals, as well as technology consulting services. Grinm Advanced Materials Co., Ltd. was founded in 1999 and is based in Beijing, China.