Mainly engaged in the development and application of PET special functional masterbatch and nano inorganic powder materials. Now there are 4 functional masterbatch production lines and 3 nano barium sulfate production lines, with an annual production capacity of over 90,000 tons. It is the largest production base in Asia. It has good cost performance and world-class quality. It is widely used in photovoltaic film, photoelectric film, window film, car coating film and release protective film.