Central and Southern China Municipal Engineering Design and Research Institute
Qinghai Geo-exploration Institute for Nonferrous Metals
Northwestern Nonferrous Metals Geological Research Institute
Nonferrous Metals Processing Industry
nonferrous metals Industry
Nonferrous Metals Engineering & Research
Nonferrous Metals Design
Ningxia Nonferrous Metals Geology and Exploration Institute
Liaoning Chaoyang Nonferrous Metals Geo-exploration Institute
Lanzhou Nonferrous Metals Industry Company
Jiangxi Research Institute of Nonferrous Metals Geology and Mineral Resource Exploration
Jiangxi nonferrous metals geological exploration Institute
Jiangxi Geologicl Exploration Institute for Nonferrous Metals
Jiangxi Geological Exploration Institute for Nonferrous Metals
Hunan Research Institute of Nonferrous Metals
Hunan Nonferrous Metals Institute of Geological Prospecting
Hunan nonferrous metals industry
Hunan Institute of Nonferrous Metals
Huludao Geological Exploration Institute for Nonferrous Metals