• HEBEI AUHANG CHEMICALS CO.,LTD is a professional manufacture of caustic soda flakes,caustic soda pearls and caustic soda solid in china. Our product caustic soda is an essential ingredient in an array of industrial operations, including pulp and paper, textiles, soap and detergents, bleach, refining petroleum products and drilling mud in oil field, along with many other uses in the chemical processing industry.With 12 years development, we established three large-scale factories, the total area of 60,000 square meters and 256 staffs.