Bulk packing: Hollow ball, Conjugate ring, Pall ring, RedderSaddle ring, Rectangle ring, Rosette ring. Plastic packing includes PP, PVC, PE, CPVC and PVDF. It is characterized by the following features: thin walls, large void space large flux, low resistance, low energy consumption, light weight, easy assembly, low operation cost and recyclable use. It works well in conditions with low temperature absorption, water washing and dust removal.