... and the load, enhances the loading function.3. With over voltage, low voltage, over temperature, overload, short circuit, reverse connection ... : Shenzhen Segre electronics Co. LTD., was founded in 2007, specialized in inverter, UPS uninterruptible power supply and switching power ... throughout the production process, IQC, IPQC, FQC, in strict accordance with the SOP to test products, and is equipped ...