Crane of structure: in bridge construction crane used in machinery used Tadano crane 35 tons, depending on its construction and performance buy Tadano crane 35 tons, and can be divided into small light lifting equipment, bridge type crane mechanical and jib type cranes, cable cranes four categories. Small light lifting equipment such as: Jacks, pneumatic hoists, electric hoists, balancing gourd (aka balance suspended), winches, etc.. Crane of structure: by lifting the nature points. Mobile cranes, tower cranes, mast crane. According to the structure, the crane can be divided into small light lifting equipment, bridge type (bridge, gantry crane), the arm frame (self-propelled, tower, gantry, rail-style, floating boat-mast cranes), cable type.