Shanghai Pandeng Power Supply Co., Ltd is a leading manufacturer of voltage stabilizer, power transformers and lightinh energy saving cabinet. All facilities are ISO 9001 certified and all products are manufactured to the highest quality standards .We produce a wide range of regulator products for various application. Our stabilizers are designed to operate with rated voltage and are expected to be connected between main power supply and load. The purpose is to supply the loads a stabilized voltage having an input voltage variable in relation to the rated value.