Shanghai Mangu Electric Co., Ltd. is a professional in the field of modern power supply product research, development, production, sales and after-sales service in one of the high-tech enterprises, development and production of advanced equipment, strong technical force. Since its inception, the company is rapidly growing, during the development of new products and strengthened the power of technology to fully realize the goal of intelligent, technology innovation, quality and development, in good faith good image, the introduction of advanced technology The main products are high precision automatic AC voltage regulator.