1. Shaanxi Baoguang Vacuum Electric Co., Ltd.: Founded in 1970, it is affiliated with XD Group and is one of the earliest companies in China to develop and manufacture vacuum interrupters. Its main products include vacuum interrupters and sealed poles. With an annual production capacity exceeding one million vacuum interrupters, it has ranked first in China in both vacuum interrupter production and sales for many consecutive years.
2. Chengdu Xuguang Electronics Co., Ltd.: Founded in 1965, it is a listed company specializing in vacuum switchgear and vacuum devices. With over 40 years of experience in the production of metal-ceramic vacuum devices and over 20 years in the production of ceramic vacuum interrupters, it is one of the largest ceramic vacuum interrupter manufacturing bases in China, with the most comprehensive product range and the largest production volume, boasting an annual production capacity of over 250,000 vacuum interrupters.
3. Pinggao Group Co., Ltd.: Founded in 1970, it is a major pillar enterprise in the domestic electrical industry, providing key technical equipment. The company has mastered the R&D and manufacturing technology for AC/DC switchgear across a full range of voltage levels. Its vacuum interrupter products enjoy high market recognition and competitiveness.
4. China Zhenhua Electronics Group Yuguang Electronics Co., Ltd.: Founded in 1966, Yuguang Electronics Co., Ltd., a subsidiary of Zhenhua Electronics Group, specializes in the research, development, production, and sales of high, medium, and low voltage protection devices. It is one of the few domestic companies developing vacuum interrupters for large ships and nuclear power plants, and possesses unique technological advantages in this field.
5. Hangzhou Xuhong Vacuum Electrical Co., Ltd.: Founded on June 24, 2009, Hangzhou Xuhong specializes in the production of high-voltage vacuum circuit breakers and vacuum interrupters. A high-tech enterprise with 11 patents and two administrative licenses, Hangzhou Xuhong is committed to providing high-quality vacuum circuit breakers, electric vacuum devices, and services to power transmission and distribution companies and circuit breaker manufacturers.
