Qingdao Dongfangaosheng chemicals Co., Ltd was established in 1998., which specializes in manufacturing supplying and exporting the basis chemical raw materials. In the past ten years, we have get more and more experiences in sales market and new items developments, which shall be the great advantages for us to get more achievements in the international market. In the mean time, our company has been awarded high reputation by the customers. Our main products include the basis Inorganic and ...see more>>