Zhongshan Laitong
Institute of Physics, Chinese Academy of Sciences
Academician Huang Boyun
American merchant
Hengtong merchants
Henan Institute of Mechanical and Electrical Engineering
Academician Chen Chuangtian and his wife
German merchant
ZhongTeng Quartz
Professor Shao Guosheng
Xi 'an Hongyu Optoelectronics
Finnish merchants
Shanghai University Customers
Taiwan merchants
Academician Xue Qikun