China Electric Equipment Group (CEEG, 中电电气) is a company operating in power transformers, PV (photovoltaic) solar energy, power electronics, and insulation materials industries. It produces dry-type transformers, oil-immersed transformers, reactors, substations, and switchgear. The company also manufactures PV systems, modules, cells, silicon and polysilicon materials, etc. In addition, CEEG offers high and low voltage reactive power compensation equipment, explosion-proof inverters, driven membranes, and other products.