rectangular culvert box mold

Description rectangular culvert box mold is equipment to make reinforced concrete box culvert. outer mold use rail to open and close, easy to operate, inner mold is collapsible, easy to remove, in this way, working efficiency has been highly improbved. we use Q345 national standard steel sheet for the mold, use 45# casting steel for the bottom plate, which guarantee the accuracy and no leakage when making concrete culvert. Use connecting rod instead of screw, which make mold