Shanghai Xishun Electric Co., Ltd, which is specialized in manufacturing and exporting all kinds of alternative automatic voltage stabilizers/regulators, transformers, frequency converters and another electrical equipment/device, like DC power supply, UPS, etc. With certificates of CE, ISO, SGS, our company has very good reputation on this field. The products have been sold to many countries in the world, such as UK, Australia, Russia, Nigeria, etc. Especially our voltage stabilizers are widely used for factories, hotel, home, and public facilities to achieve the purpose of stabilizing voltage, protecting equipment and reducing electric power consumption.