Recently the Association of Tantalum-niobium Metallurgical Enterprises has been establishedin the Ningxia Hui Autonomous Region. This Association belongs to China National NonferrousMetals Industries Corporation. The ...Recently the Association of Tantalum-niobium Metallurgical Enterprises has been establishedin the Ningxia Hui Autonomous Region. This Association belongs to China National NonferrousMetals Industries Corporation. The joined- in enterprises are Ningxia Nonferrous MetalMetallurgical Manufactory, Zhuzhou Cemented Carbide Works, Conghua Tantalum-niobiumMetallurgical Fablic, Limu Tin Mine and Jiujiang Nonferrous Metal Metallurgical Works.展开更多
文摘Recently the Association of Tantalum-niobium Metallurgical Enterprises has been establishedin the Ningxia Hui Autonomous Region. This Association belongs to China National NonferrousMetals Industries Corporation. The joined- in enterprises are Ningxia Nonferrous MetalMetallurgical Manufactory, Zhuzhou Cemented Carbide Works, Conghua Tantalum-niobiumMetallurgical Fablic, Limu Tin Mine and Jiujiang Nonferrous Metal Metallurgical Works.