MORECompany Intro
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 n...

2% Thoriated (EWTh-20)