... transmission line accessories 2.high quality tension clamp 3 ISO9001:2008 OPGW/ADSS cable fittings-transmission line accessories Armor rods ... and is specialized in the production and operation of cable fittings, electrical fittings, overhead line pieces of iron ... with more than 150 employees, primarily engaged in the ADSS, OPGW cable fittings, electrical fittings, non-standard fittings, communication ...