... used as tower packing , random packing , coloumm packing,Industrial Ceramic Pall Ring. Ceramic Pall Ring is some kind ... .Ceramic pall ring is able to applied to the drying tower,absorbing tower,cooling tower, desulphurization towers ,rectifying ... tower and regenerative tower in petro-chemistry,chemical engineering,coal chemical engineering,elaborate chemical engineering, fertilizer, sulphuric acid, ...