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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）.

Another achievement Stepped-up Cycloidal Speed Reducer has been invented and promoted to match the Automatic Rotary Device.

The company has been commissioned to give a lecture on energy-saving heat pump and technology of automatic rotary device at energy–saving technical training courses, jointly organized by Thermoelectric Special Committee of Chinese Society for Electrical Engineering, Hydropower Equipment Special Committee and Hydraulic Machinery Special Committee of Chinese Society for Hydropower Engineering.

The company has been commissioned by Hydropower Subcommittee of China Electricity Council to preside over “Electricity Market Seminar” in Qingdao, representatives from 31 hydropower units presented.

The company has been commissioned by Chinese Society of Hydroelectric Engineering to organize “Secretary-general’s Working Conference of Chinese Society of Hydroelectric Engineering in 2006”, leaders of competent department and the provincial secretary-generals attended.