... for glass IV solution products vacuuming, nitrogen filling, and stoppering etc 2,Main technical parameter: Applicable size: ... hopper, reduce the labor intensity. B,Vacuum stoppering and mechanical positioning, only when the stoppers is in ... can adjust the vacuuming time, nitrogen filling time and the number time of vacuuming and nitrogen filling. Shipping and Payment PackingExport standard packageMOQ1 ...