the following of our products:1,Bellows forming machine2,Expansion joint forming machine3,Flexible hose forming machine4,Flexible hose making machine5,Helical hose forming machine6,Longitudinal Seam welding machine7,Bellows making machine8,Automatic expansion joints forming machine 9,Hydraulic expansion joints forming machine10,Tube welding machine11,Braiding machineour product:1,auto bellows2,Metal flexible hoses3,Bellows4,Metal expansion joint