Reverse Osmosis, Mineral Water Plant, Sea Water Desalination manufacturer / supplier in China, offering Factory Supply Chlorine Tablet Granular SDIC/Nadcc Granular 8-30mesh 56% 60%, Chlorine TCCA 90% 200g 20g Tablet Multi Function Granule Powder Pool Chemical, TCCA 90% Bi-Layer Double-Layer Tablet for Water Treatment Swimming Pool and so on.