... one buyer one design,satisfy your needs!aluminium alloy parallel groove clamp MaterialAluminum alloy ,steelSurfaceBlack, White or Silver Zinc ... lighting rods on nonlinear pole towerFeatureThe al-alloy body,two boltsAdvantageun-magnetic character high instensity oxidate-resistanle ... world. a complete production equipment, mature technology, with high levels of production test, production flexibility, to ...