Dalian Insulator Group Co. Ltd. is a one hundred year old company. It is a publicly listed “High Tech” company engaged in the research, production and sales of electrical porcelain and composite insulators, station post insulators and porcelain hardware fittings. It is the largest transmission line insulator manufacturing enterprise in China.

Dalian Insulator has a varied and complete product line, consisting mainly of 70 thru 550kN A.C. & D.C. suspension Insulators, 35 thru 1000kV A.C. composite insulators, 110kV thru 1000kV supporting insulator/insulator sleeve and station post fittings.