The ceramic ring is the earliest developed bulk packing. Its shape is simple and its height is equal to its diameter. The large size laxihuan (100MM or above) is usually filled by the whole masonry rule, and the rash ring under 75MM size is generally filled with a heap.

Ceramic filler is a kind of filling material in the tower. It has the resistance to acid and heat resistance, the resistance to aging and the corrosion of all kinds of inorganic acids, organic acids and solvent other than (HF). It can be used in various high and low temperature situations. It is widely used in metallurgical, chemical, chemical, acid, gas, oxygen, pharmaceutical and other industries, such as washing tower, cooling tower, acid tower, desulphurizing tower, drying tower and absorption tower.