1, Use for power tansmission 2, Made of Q235/Q345 3, High quality with reasonable price 4, Accept small order 5,ISO9001:2008 1. Material: Q235(A3F/ST37-2) and Q345(16Mn/ST 52-3 ) 2. Sureface treatment: Hot-dip galvanization: ASTM A1233. Structure: self-supporting angular towers4. entire tower is composed of angle steels, link plates and bolts5. bars are mainly composed of single equal angle steel ...