- Business
- Dalian Insulator Group Co., Ltd. (002606.SZ) engages in the research, development, production and sales of porcelain and composite insulators for high-voltage electric transmission lines and power stations; offers 70 to 840 kN AC and DC suspension porcelain insulators, 10 to 1000 kV AC composite insulators, ±500 to ±1100 kV DC composite insulators, 10 kV to 1000 kV power station pillar insulators and high-voltage porcelain sleeves, as well as various electric porcelain fittings and station post insulators; and provides metal fittings for insulators. Founded in 1915 and headquartered in Dalian, Liaoning Province, China, the company operates as China's largest manufacturer of circuit porcelain insulators, a national high-tech enterprise with subsidiaries including Dalian Insulator Group T&D Co., Ltd., Zhejiang Dachen Information Technology Co., Ltd. and Ruihang (Ningbo) Investment Management Co., Ltd., exporting products to over 40 countries across North America, South America, Europe, Africa, Southeast Asia, South Asia and West Asia. In May 2025, Dalian Insulator Group forms a joint venture consortium with Saudi Arabia's Power Union Co. (a subsidiary of Al-Ojaimi Industrial Group) and Greengrid to establish a facility producing high-voltage and extra-high-voltage suspension porcelain insulators, supporting Saudi energy infrastructure localization; recent subsidiaries secure bids for State Grid projects worth approximately 67 to 95.7 million yuan and Southern Power Grid projects.