... used on Special Passenger Line for precast concret Liando Box Girder Formwork is made of full Q235 steel.The thickness of ... the board is 6mm. we can provide 24m,36m box girder formworks. LD-Q-001 is always used on Special Passenger ... high precision requirements of lifting, transport and storage of Box Girder Formwork. It consists of soffit formwork, internal formwork,exterior formwork ...