Jiangsu Barrett Electric Appliance Co., Ltd. was established on October 7, 2002. In 2008, the company sold 950,000 units of various power supplies, and in 2016, it sold 1.5 million units. It is a professional manufacturer of switching AC-DC, DC-DC switching power supplies and module power supplies. In 2010, the company passed ISO-9001 quality system certification, and six products passed CCC certification in China, PSE certification in Japan, TVV certification in Germany and ROHS certification. In the past ten years, the company has been producing more than 2000 varieties of built-in shell switching power supply, LED waterproof switching power supply, security monitoring switching power supply, rail switching power supply and substrate power supply from 5 W to 2000 W for customers to choose. Products are widely used in LED display, communications, railways, electricity, instrumentation, street lights, billboards, light boxes, security monitoring, medical industrial automation equipment, electronic information and other fields.