... alloy 3,Technic: Hot-dip Galvanized 4,Certificate:ISO JT Type Jumper Spacers Specification1,Excellent welding technology 2,High-quality material ... and hang the string in tower 2,To connect strain clamp and insulator string in the straight line towerAbout us Show ... Henan Electric Equipment Material Company Power Line Spacer Damper JT Type Jumper Spacers