TG Insulators, registered as  Shandong(Zibo) Taiguang Electrical Equipment Company Limited, wad founded in 1991 by Mr. Tan, Guoli.  Now, TG Insulators  is the biggest composite insulator manufacturer in China with annual 800,000 pieces manufacturing capacity , ratings up to 1000kV AC and +-800kV HVDC.

 
Quick Facts:

            Number of Employee:                         500
            2009 Annual Revenue:                       77.406 Millions US$
            Number of  Insulators in Operation:    4+  millions  since 1991
            Number of patents held:                     43 patents


INMR 2001 Report: Chinese Manufacturer Looks to Bright Future for Composite Insulators