China Silicon (Shandong) Silicon Aluminum New Materials Co., Ltd
Beijing Technology R&D Co., Ltd
Shenzhen Yanyi New Materials
Hunan Zhongrui New Materials
Sichuan Pangang
School of Materials Science and Engineering, Zhengzhou University
North China University of Water Resources and Hydropower
Henan Building Materials Institute
Hunan Haoweite
Hunan Pengdeng
Zhongshan Laitong
Academician Huang Boyun
American merchant
Hengtong merchants
Henan Institute of Mechanical and Electrical Engineering
Academician Chen Chuangtian and his wife