Mast section dimension (m)             Main material

1.5*1.5*2.2                ∠125 *10, ∠140 *10, ∠140 *12, ∠108 *10, ∠160 *12

1.6*1.6*2.2                ∠160 *12, ∠160*14

1.643*1.643*2.8           ∠125 *10, ∠135 *10

1.68*1.68*2.5              ∠160 *14, ∠160 *16

1.833*1.833*2.5           ∠125 *10, ∠135 *10

1.835*1.835*2.5           ∠125 *12, ∠125 *14, ∠135 *12

2*2*2.8                    ∠200 *18, ∠200 *20

2*2*3                      ∠300 *20, ∠300×*30