Tower Packings, Ceramic Balls, Molecular Sieve manufacturer / supplier in China, offering 30ppi Open Cell Polyurethane Foam Filter Sponge 10ppi Ceramic Filter Foam, Wholesale Coloured Plastic Roller Ball for Deodorants, 20kgs/M3 25kgs/M3 35kgs/M3 PU Open Cell Foam Air Filter and so on.