Hunan Tianneng Electric Machinery Manufacturing Co., Ltd. was established in 1985. It is a joint-stock private enterprise jointly funded by Zhuzhou Liancheng Group Holding Co., Ltd and Hunan Tianhong Investment Co., Ltd. The company is one of the designated R&D units of the enterprise technology center recognized by Hunan Province, the high-efficiency and super-high-efficiency motor under the National 863 Plan. It has passed ISO 9001:2008 International Quality Management System Certification, CE Certification, CCC Certification, CQC Certification, Huimin Project "Save Words" Certification, Tianneng Trademark has been appraised as a well-known Chinese Trademark, and has won many awards of "High-tech Enterprises" and "Famous Businessmen of Hun Biao, Hunan Top 100 Brand Credit Units, has 1200KW, 10KV motor model test center, automatic wire insertion, CNC special machine processing and other efficient production lines. The company's main products are: YE3, YYSE series of high-efficiency, ultra-efficient motors; YE2 series of motors; Y3 series of low-voltage and high-power motors; Y2SP series of variable-frequency motors; YJS series of high-efficiency compact high-voltage motors; YSC series of stone-specific motors; YFD series of low-noise motors for fans; rail transit locomotives, auxiliary motors for electric locomotives and YE4 ultra-efficient motors, servo motors, and derivatives. Three-phase asynchronous motor is under development, with an annual output of over 1 million KW and an annual output of over 100 million.
Zhuzhou Liancheng Group Holding Co., Ltd is one of the manufacturers and suppliers of rail transit equipment components in China at present. The company mainly serves the three major industries of railway locomotives, EMUs and urban rail vehicles. It has more than 30 years'development history of rail transit equipment components, and has advanced design and test of structural parts, ventilation cooling, braking system, electronic appliances and shock absorbers. Certificate, quality control platform and multiple efficient production lines. We have successively completed the R&D and manufacture of many systems and key components of the most advanced high-power transfer locomotives and high-speed EMUs in the world, and continuously and comprehensively meet the requirements of railway equipment modernization. Enterprises have become the key component suppliers and industry leaders of domestic rail transit equipment components and the dominant enterprises of key regional economic development.
Hunan Tianhong Investment Co., Ltd. was founded in 1983 and formally established in 2002. It is a modern private enterprise group with a wide range of industries, such as culture, printing, manufacturing, logistics, agriculture and so on. It has Tianzhou Culture Co., Ltd., Changsha Hongfa Printing Industry Co., Ltd., Hunan Tianneng Motor Manufacturing Co., Ltd. and many other enterprises. Over the past 30 years, Tianhong people have inherited the culture of "carrying Tao by writing, virtue by virtue" and strived hard to govern. They have now ranked among the top 100 private enterprises in Hunan Province and the top 10 cultural tourism enterprises in Hunan Province.