Business Type

, span length 15-35 meters, 36-40 meters multi beam bridge, span type a length: 5 meters, 6 meters, 7 meters, 8 meters, 9 meters, 10 meters, span type b: 9-14 meters, 12-18 meters, 16-24 meters , 21-30 meters concrete crossbar, prestressed concrete, span length 20 meters, 25 meters, 30 meters, 35 meters