Beijing Charmsstone Electronic Technology Co., Ltd. ("Charmsstone" for short) is a professional power supply manufacturer headquartered in Beijing, China. At present, we mainly develop, produce and sell intelligent UV electronic ballasts, UV LED drivers and related products.

Founded in 2011, Charmsstone is a national high-tech enterprise that provides high quality drive devices for customers in ultraviolet sterilization, disinfection, curing, light cleaning and photochemistry. The company's products have obtained UL, CE and other special certification, can be matched with low-pressure ultraviolet lamp, medium-pressure ultraviolet lamp, low-pressure amalgam lamp, ultraviolet curing lamp, cold cathode germicidal lamp, excimer germicidal lamp, UV LED and other light sources, power range from 4W to 12KW.

Hebei Jiuying Electrical Equipment Co., Ltd., our subsidiary, operates a 17,500㎡ garden-style production facility with ISO9001 certification. With an annual capacity of 1.5 million units, over 5 million power supplies have been deployed worldwide in applications including sewage treatment, water purification, air purification, exhaust gas treatment, medical equipment, printing, and semiconductors.

“Crowning for customers” is our core business philosophy. Combining power supply expertise with deep understanding of light source technology, we address technical challenges and industry trends to deliver high-quality power solutions that enhance product competitiveness throughout the lifecycle.