As one the Industrial plant the company has accumulated four decades alum manufacturing experience, the development in the 1970s burned alum, soak in a series of food additives the big powder (leavening agent) and Tata powder material and aquaculture water treatment medication and additives ; 1980s, environmental awareness gradually attention, the company is committed to R & D and manufacturing of PAC (poly aluminum chloride) and aluminum sulfate wastewater treatment drugs, thus successfully de...