Hengshui OK Enterprise Co.,Ltd Water Treatment Chemicals include Trichloroisocyanuric Acid, Sodium Dichloroisocyanurate (both anhydrous and dihydrate), Calcium Hypochlorite BCDMH and Cyanuric Acid. We also supply PH minus (Sodium Bisulfite) and PH plus (Sodium Carbonate). The chlorinated isocyanurates are used very widely to chlorinate swimming pool and spas water . We can supply all kind of package base client request.