Established in 2010, shanghai relay power equipment manufacturing co. Ltd. Is a professional manufacturer of medium-voltage high-voltage electrical resistors, electric resistors, products including ground-to-ground resisters, neutral point resistors, filter resistors, n. D. S, load resistors, brakes, starters, crowbar resistors, hollow resistors, and connected resistors, current-to-power resistors, filter resistors, serial resistors, medium point resistors, high-voltage steel cores, etc。