1. Zhejiang Kong Zhong Technology Co., Ltd.: located at No.309, liouhe rd, Binjiang District, Hangzhou, Zhejiang Province, its business scope includes technical service, technology development, technical consultation, technology exchange, technology transfer and technology popularization.
2. Hunan Lihe Zhi Heng Technology Co., Ltd.: Located at No.668 Qingshan Road, Dongfanghong Street, Yuelu District, Changsha City, its business scope includes the production, development and sales of instruments, computer software and high-tech products; Operation of environmental pollution control facilities.