Tower Packings, Ceramic Balls, Molecular Sieve manufacturer / supplier in China, offering Mbbr Bio Media Floating Plastic Bio Trickling Filter 190*50mm 97*47mm for Water Treatment, Plastic Packing Raschig Ring PP 25mm Raschig Ring, Suspended Filler Plastic Suspension Cage Ball Bio Film Poriferous Suspend Packing Floating Ball for Septic Tank and so on.