China Assocition of plant Engineering
China Mechanical and Electrical Products Circulation Association (CMEPCA)
Zhonggong intelligent technology co., LTD.
Jinghe exhibition (Beijing) co. LTD
Beijing Huayan Exhibition Co. Ltd.
The contact：anager li 13811235249 With micro letter
Ministry of Industry and Information Technology of People's Republic of China; Ministry of Science and Technology of People's Republic of China; European Mechanical Drive Industry Association
American power transmission suppliers; German Mechanical Drive Association; Ministry of Commerce of Czech
Italian Association of Gear and Transmission Parts; American UTN Company