... Light rod Qingdao Histro Steel Towers Co.,Ltd Power transmission line tower referred to as the Eiffel Tower, according to their ... fonts, and barrel, according to zoning are: Tension tower, straight-line tower, corner tower, for Bit towers (location of towers to ... structure, and bars mainly by a single angle or a combination of equilateral angle steel composition, material generally used Q235 (A3F ...