... --Tower packing Material:SS304,304L,410,316,316L ISO9001:2000 Metal Pall Ring--Tower packingMetal Pall Ring is made of materials ... thermosensitive,decomposable,polymerizable or cokable systems,for these,Pingxiang Petrochemical metal tower packing is widely used in packing towers in petrochemical ... :Carbon steel,stainless steel including 304,304L,410,316,316L Metal Pall Rings--Tower packing