Dalian Insulator Group Co.,Ltd, together with its subsidiaries, engages in the research and development, production, and sale of UHV porcelain and composite insulators, insulator sleeves, and station post fittings in China. The company offers long rod suspension composite, disc suspension porcelain, ground wire, composite post and hollow, and ceramic hollow and post insulators. It also exports its products to approximately 40 countries. The company was founded in 1915 and is based in Dalian, the People's Republic of China.