How to use hydraulic forming machine to produce metal bellows expansion joints compensators？

This Auto metal bellow making machine is a hydroforming machine for making metal bellows #expansionjoints compensators diameter size up to DN630mm, the metallic bellows being produced in the video : diameter size 426mm, wall thickness: 3mm single layer . Hydraulic Hose/Bellow Making Machine is featured with high production efficiency, low power consumption, convenient and safe operation. It is a good machine for the industy of expansion joints compensators or energy and power engineering and so on. Get in touch for more details: sales@ Linkedin: