Profile: Qian'an Great Wall Chemical Co., Ltd. specializes in the production calcium hypochlorite. Our bleaching powder is a high density calcium hypochlorite, which is used for bleaching textile, chemical fibre, paper pulp and starch. This powder is used to whiten pulp, silk, cloth, fibre and starch. It deals with the polluted water & effective disinfectant public health, family sanitation, swimming pool and drinking. It also disinfect chemical agents and radioactive material.