Beijing Tungsten&Molybdenum Group Co., LTD (short for BTM Group) is the leading manufacturer in the world specialized in products made of tungsten, molybdenum , rhenium, tantalum and niobium. we possess strong technology superiority, complete and efficient quality system and rich management experience. BTM group was built in 1953. It is a national new technology company which takes part in the state 863 and 973 projects. It is the academician of china refractory metals association and have the the Independent Right of Own-operation Export and Import. It also has passed ISO9001 and ISO14001 certification firstly in this field. Based on almost 60 years experience in research and production, BTM group now become a modern specialization company engaging in designing , development and production in tungsten, molybdenum, rhenium, tantalum and niobium . Those products cover most field of refractory metals and enjoy great fame in the homeland and overseas.