Zhaowei transmission towers, also called power towers, come in a wide variety of shapes, such as cup type tower, single circuit, double circuit and bucket type. Based upon their applications, they are divided into tension tower, tangent tower, angle tower, transposition tower, terminal tower, crossing tower, etc. It is formed by bolted connections under shear load, thus providing much convenience for erection, transportation and anti-corrosion hot dip galvanization.