Research and development of distribution switch control equipment; manufacturing of power transmission, distribution and control equipment; manufacturing of distribution switch control equipment; manufacturing of mechanical and electrical equipment; manufacturing of transformers, rectifiers and inductors; manufacturing of power electronic components; manufacturing of electrical instruments and meters; processing of mechanical parts and components; operation of wires and cables; hydraulic power Manufacturing of power machinery and components; manufacturing of power facilities and equipment; manufacturing of lighting fixtures; manufacturing of plastic products; manufacturing of electronic components; manufacturing of motorcycle parts and accessories; manufacturing of automobile parts and accessories; manufacturing of hardware products; manufacturing of sporting goods and equipment; and manufacturing of special equipment (excluding manufacturing of licensed professional equipment). (The branch office is located in: Shuitatou Village, Beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province)