precast concrete box culverts mold

precast concrete box culverts mold is the lowest cost way to manufacture the concrete precast culvert box. it is very easy to start up a precast concrete product plant. all of our plastic mould are quite good quality, and longer using life. welcome to contact with us, we will give you all the information for the mould design, cost, delivery and so on. Size of Box Culvert Mould 1 300mm x 300mm x 1000mm L 2 450mm x 450mm x 1000mm L 3 600mm x 600mm x 1000mm L 4 750mm x 700mm x