1. There is no hydraulic oil running, leaking, or leakage, which is beneficial to environmental protection.
2. Easy to install, just need to make the roller table, you can use it immediately, no need to debug. Vertical waist beating, waist buckle on top, steel bundle on top, steel bundle on the roller table, the steel bundle does not scrape the side bladder of the roller groove when it moves on the roller table.
