Sieyuan Electric Co., Ltd. engages in research and development, production, sale, and service of power transmission and distribution equipment in China and internationally. The company offers static synchronous compensator and condenser; HVDC circuit breakers; prefabricated and mobile substations; oil immersed and gas insulated power transformers, and high voltage reactors; and high-voltage switchgear, live and dead tank circuit breaker, HV disconnector switch, substation automation products, current and voltage transformer, coupling capacitor, station service voltage transformer, high voltage bushing, high voltage power capacitor, earthing transformer, arc suppression coil, neutral grounding resistor, and flexible grounding device. It also provides prefabricated medium voltage substation, dry distribution transformer, and medium voltage reactor; outdoor pole mounted, cabinet, and medium voltage gas insulated switch gears; container, cabinet, and assembling capacitors; distribution terminal units; and low voltage electrical distribution product and systems.