... paper making, printing, dyeing, soap; the original dye, the dissolving agent of the dye which is not soluble in azote; medicine, food ... industry etc. 2. Special feature: High purity (the content of NaOH can reach 99%), even particles, few impurity, good fluidity ... : The company introduced the advanced pelleting technique, the equipments of the nickel pipe and stainless steel pipe, which is lower ...