Chemical manufacturer and traqding agent, supply water treatment chemicals, Trichloroisocyanuric Acid--TCCA and Sodium Dichloro Isocyanurate--SDIC,Sodium Metal, Sodium Chlorate, CPE, Calcium sulfate hemihydrate, Gypsum powser, Calcium chloride dihydrate and other fine chemicals. Also in good relationship with small suppliers in North China, so we can supply in good quality and best price.