1985 Beijing Tongzhou Switch Factory covers an area of 220 Mu and a building area of 30,000 square meters.

2001 Beijing Tongkai Electric Power Equipment Installation Co., Ltd.

2002 Our company and Schneider launched a comprehensive business, technology and product cooperation, is Schneider's authorized white gold cooperative enterprise, the company can localize the production of Schneider brand high and low voltage switchgear sets.

2003 Beijing Tongzhou Switch Factory was changed to Beijing Tongzhou Switch Co., Ltd. and invested 150 million yuan to build Beijing Tongzhou District Sewage Treatment Plant.

2004 State-owned Beijing Paper Mill 7 was acquired, and Paper Mill 7 was the designated supplier of paper for the 2008 Beijing Olympic Games.

2009 Beijing Datong Excellent Electrical Equipment Co., Ltd.

2015 Beijing Tongzhou Switch Co., Ltd. invested heavily in the construction of Beijing Tongkai Baiyue Group office building.

2016 Beijing Tongkaitong Electrical Technology Co., Ltd.

2018 Establish Huiwen Tongzhi Culture and Art Co., Ltd.

2018 Beijing Tongkai Baiyue Group was established with a total registered assets of 1.33 billion RMB and six subsidiaries.

2018 Beijing Tongkai Baiyue Group established Xinjiang Branch.

2018 Beijing Tongkai Baiyue Group signed a strategic cooperation agreement with Xinjiang Sino-Thai Group.