Changkai Factory Group has a first-class R&D team for high, medium and low voltage switch products in China, always taking independent innovation as the driving force for enterprise development. In 2009, the company's technology center was recognized as a "national enterprise technology center" by five ministries including the National Development and Reform Commission. In 2011, the company was jointly named a "national innovative enterprise" by the Ministry of Science and Technology, the State owned Assets Supervision and Administration Commission of the State Council, and the All China Federation of Trade Unions. Over the years, the company has participated in the preparation of 46 national and industry standards and specifications, obtained 27 national invention patents, 101 utility model patents, and 1 appearance patent. It has successively undertaken the National 863 Program, Torch Program, and National Science and Technology Cooperation Program, further enhancing the connotation of the "Great Wall" brand and effectively promoting the innovative development of technology in the transmission and distribution switchgear industry. The company has formed a series of complete and reliable product lines in harsh environments such as high parameter switchgear, intelligent medium voltage switchgear, medium voltage high reliability vacuum circuit breakers, gas insulation, and high-altitude medium voltage switchgear, as well as nuclear power 1E level switchgear, and continuously meets market development needs.