Ceramic Ball, Tower Packing, Structured Packing manufacturer / supplier in China, offering Stainless Steel 304 316 Copper Pall Ring 38mm 50mm Metal Pall Ring, Factory Price Pall Ring Tower Random Packing Metal SS304 SS304L SS316 SS316L Pall Rings, 2inch Pall Ring 50mm Ceramic Pall Ring for Absorption Tower Packing and so on.