Fiber Glass Insulator have diameter in 5~130mm green, red, brown colors, widely used for high voltage transmission line.  Insulator core rods have passed the acid resistant test for 7200 hours in Wuhan High Voltage Research Institute of State Grid Corporation of China. They have already operated in the highest voltage lines of China(1000kV).   

In line with IEC61109

Certification:       

    KEMA test in Holland
    Name:7200hours corrosion test
    Type:ECR rod
    Lab:Wuhan Hi-voltage research Institution of SGCC

Capacity: 80 production lines,the largest manufacturer in China; 20 tons/day

                     15 years' experience in FRP rods.