... , CECS 80:2006, 3.GB 50205-2001, GY5071-2004 Tower/Telecommunication Tower 1.Features:1.Anti- wind speed:25- 35m/s2. Wrap ... ice:5- 6m3.Grounding resistance≤44.Perpendicularity≤1/1000 1/15005 ... .Safety factor 4 times2.Specifications:Four-pipe tower, angle steel tower, single-tube tower, three Tara tower, tower H rod, floor beautify the landscape holds ...