Box Girder Structures easy to operation and has perfect adjustment to each individual job site requirement; all these features decide that the props play an irreplaceable role in slab or shoring construction. Bridge Box Girder Formwork as advantages of high-precision, simple structure, retractile, easy-demoulding and simple operation.Bridge Concrete Formwork can be hoisted or dragged to casting site integrally, and demoulded integrally.