Semi-soft packing heat with high-performance ,small resistance , water distribution , cloth-performance , and easy long film ,has cut bubble effect ,It has used the materials of polypropylene ,polyethylene made ,For sewage and waste water treatment projects ,supporting the contact oxidation tower ,oxidation ponds of shafts and other equipment . Unit in diameter are generally 120,150 ,Center rope and a plastic rope fiber rope ,according to design specifications departments and users may be . | 
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