Plastic tower packing has the characteristic of large void rate,low pressure drop and low height of mass transfer unit,high extensive point,full contact of gas and liquid,low specific weight and high mass transfer efficiency.The operation termperature ranges from 60-150 ℃ . This item is widely applied in the tower packing of petroleum,chemical engineering, chlorin alkali,coal gas and environmental protection.The type of plastic random heaping packing includes, Polyhedral hollow ball,conjugate ring,pall ring,ladder ring,rectangular saddle ring,rosette ring,haier ring etc.