Chemical Fillings, Sewage Treatment Equipment, Cooling Tower manufacturer / supplier in China, offering Absorption Column Packing PP Plastic Thermoforming Heilex Ring Plastic, 1.5 2 3 4 Inch Polypropylene Plastic Heilex Ring for Water Treatment, 38mm 50mm Plastic Packing CPVC PP Heilex Ring for Scrubbing Absorption Tower and so on.