Shanghai Querli Electrical Equipment Co., Ltd. Locates at the cross of Jiabal road, Shengxing road, Jiading district, Shanghai, it occupy land 20000m2, with the building area 12000m2. As a member unit of China Power Source Association It is a comprehensive enterprise integrating research, development production and sales of all kinds of AC/DC power source.

Since its establishment, the company has insisted on the development program of"survival on quality and development on technology"all along, successively imported and absorbed the new technology?process and parts from home and abroad, which make the quality of product improved, function perfected and performance more reliable. Adhering to the faith of endless pursuit, the company has successively got the safety certificate of China Electrical Products (Great Wall Authentication)'ISO9001 international quality system authentication depending on continuous innovation and struggling exploitation.