GMPseries adopts the same specifications of double cylinder host, equipped with double linkage synchronization device, double linkage bending machine can process special parts, especially for urban construction, automobile manufacturing. highway road light pole, power pole and other special workpiece processing and manufacturing, two machines can be used single, can double linkage, optional workbench with hydraulic compensation, eliminate bending compensation on both sides, Eliminate the deflection deformation on both sides of bending.