Double tension set for OPGW 1.High quality,reasonable price 2.Easy install,fast delivery 3.ISO9001:2008, SGS Double Tension Set of OPGWDouble tension set for OPGW photo:Double tension set for OPGW instruction:1. the material Aluminum-clad steel rod.2. Double Tension Set improved the mechanical strength of the clamp effectively with the designation of three-ply preformed rod.3. It is mainly used ...