Tower Packings, Ceramic Balls, Molecular Sieve manufacturer / supplier in China, offering Factory Supply Plastic PP PVC PVDF PTFE Pall Ring 25mm 38mm 50mm 76mm for Cooling Tower, 50mm Plastic Random Tower Packing PP PTFE Pall Rings Te-Flon Ring, 95X24mm Far Infrared Bacterial House Filter Media for Koi Pond and so on.