... shear connection, the entire tower from the angle iron, steel plate and bolts to connect the composition,Individual components such as the tower legs, ... 20 million in equipment. There are 4 digital controlled angle production lines, 1 numerical bending machine, 2 automatic ... Observes Contracts and Keeps Promise' by the Industrial and Commercial Bureau of Qingdao from 2001 to 2009 in succession. Project ...