As a wholly-owned subsidiary of Advanced Technology & Materials Co., Ltd.(AT&M), ATTL Advanced Materials Co., Ltd. (ATTL) is one of the earliest units devote to research and manufacture of refractory metal materials with over 60 years experiences. As the president unit of China Tungsten Industry Association’s tungsten branch and vice president unit of China Nonferrous Metals Association’s molybdenum branch, ATTL has over 1300 employees including 100 masters and doctors, and four R&D manufacturing bases locate in Beijing Zhongguancun innovation park, Tianjin Baodi economic development zone, Shaanxi Baoji Taibai county economic park and Shandong Weihai industrial new area, of which the total area is nearly 400 thousand square meter。