Changsha
Changsha County
Hunan
New Materials
Resource Recycling
Materials R&D
Jin Shu He Gold
Materials Technology
Jin Shu Fen Ti
Raw Materials
Energy Technology
Di Powders
Gao Chun Materials
Er Oxygen Chemical Selenium
Yin Ding
科技型中小企业
省科技型中小企业
高新技术企业
省级高新技术企业