... , metallurgy, fiber, rubber industry, also used as detergent, flame retardant, used as food industry culture, soda and carbon ... raw material of the pharmaceutical industry. Also can be used for film production, tanning, mineral processing, smelting, metal heat ... etc.Sixth, Injection with carbon alkali balance medicine. Used in food, medicine, film, tanning, dressing, metallurgy, fiber, rubber industry, ...