Qingdao Zhengli Electric Power Equipment Co., Ltd. is a legal entity specialized in integration of science and research, registering on 1st, Jan, 2006.
Its scientific achievement “Automatic Rotary Device” has been successfully implemented in national projects like the Three Gorges of Yangtze River and Water Supply Project from Guangdong to Hongkong. Many foreign hydropower stations such as Guinea Keller Tower, Cambodia Stung Russei Chrum, Laos Nan’ou River and Burma Paunglaung have also implemented it. The device has been granted the patent right in China, the European Community, the America and Canada. Meanwhile, it has been awarded the innovation prize of Patent Technology Fair of China and officially listed in the PRC National Standards（GB/T50700-2011）.
The automatic turning gear is a power device which drives the rotor by elastic couple in the shaft adjustment center of rotating equipment to realize the adjustment process in full free state.
It has passed the certification of iso9001:2015 standard quality management system, ISO / 14001:2015 standard environmental management system and GB / t28001:2011 standard occupational health and safety management system certification.
The company has held "Hydropower Market Research meeting", "Secretary General's working meeting of China Hydropower Engineering Society", "the third national hydropower station Electromechanical Technology Seminar"