To facilitate upholstering, glue-spraying, assembling, checking, packing process in sofa production. 1.To facilitate upholstering, glue-spraying, assembling, checking, packing process in sofa production.2. Safe to use, the working height is easy to adjust by a foot-valve.3. Even through the air supply is cut off, the working table still remains where it was.4. Equipped with the movable wheel, ...