We supply 10-500kv composite polymer insulator, including silicon rubber composite suspension insulator, pin type insulator and post type insulator. It is manufactured by means of injection hole-molding technology. Its core is Glass-fiber reinforced epoxy resin rod.The juncture between end fitting and core is totally embedded in HTV silicone rubber, eliminating conventional and traditional seal defects. It has the advantage of light weight and self-cleaning function .It is also easy to handle as well as not breakable and enjoys excellent mechanical, water repellency Characteristics.