... .OEM is welcome. Ligntning-protection wire tower mainly used in lightning-protection of munition, explosive substance, bulk storage plant. . steeltower ... steel mesh, circuit orbit, 51-union radiation oscillator antenna mast, lightning-protection rod, range finder, DME, antenna mast, DVOR antenna ... wind speed 40m/s, and to bear earthquake grade: 8.II. orbit radius is 6750mm, levelness of steel mesh is ± ...