◇ 1982 took the lead in introducing advanced technology and equipment of vacuum interrupter from Siemens, Germany.
◇ 1985 introduced the first vacuum circuit breaker, and 1988 introduced the first vacuum switch cabinet, which fully entered the production of high-voltage complete sets of equipment.
After ◇ 1992 "Tianjin Power System Popularization and Use of Vacuum Switches" was held, vacuum switch products were recognized by the power system and embarked on the road of rapid development. In the same year, Yuanbao Optical Power Plant was restructured into Shaanxi Baoguang Electrical General Factory.
◇ 1997 was restructured into Shaanxi Baoguang Group Co., Ltd., and Shaanxi Baoguang Vacuum Electric Appliance Co., Ltd. was initiated in the same year; In 2002, the company's stock (stock code 600379) was listed and traded on the Shanghai Stock Exchange, with a total share capital of10.50 billion.
◇ 1998, the company used the "double plus" loan to build the first fully enclosed production line of vacuum interrupter in China.
In 2004, the company put forward the core values of "public welfare, fairness and humanity" and the vision of "becoming the main supplier of vacuum interrupters and related materials and accessories in the world".
◇ In 2007, the company put forward a "three-year development plan" with "168433" as the core, and the company entered another historical period of rapid development.
In 2008, the company built a vacuum interrupter production line with international advanced level by self-financing.
◇ In 2009, a brand-new 1 1000m2 vacuum switchgear production line was built in Baoguang Industrial Park.
For more than 30 years, the market share and technical quality level of vacuum interrupters have been the first in China, and the technical quality level of vacuum switchgear is in the forefront of the industry.
Up to now, there are more than 3 million "Baoguang" vacuum interrupters serving power transmission and distribution systems all over the world.