Dalian Insulator Group Co., Ltd. engages in the development, production, and sale of electrical porcelain, composite insulators, station post insulators, and porcelain hardware fittings. Its products include porcelain suspension insulator, composite insulator, high voltage station post insulator/high voltage hollow insulator, electric power fittings and foundry. The company was founded on July 1, 1915 and is headquartered in Dalian, China.