Yongsan Chemicals
Since our foundation in 1974, we are specialized in manufacturing Maleic Anhydride and its derivatives, including Fumaric Acid, Tetrahydrophtalic Anhydride and Dl-Malic Acid in which the applications are numerous across industries. Moreover we have successfully developed and started operation of Dimethylaminoethyl Acrylate Methylchloride Quaternary salt(DAQ)that is mainly used for water treatment. As much as we strive to build on technological progress ,we focus on improving the quality of our products because we believe that commitment to our customers will lead us to sustainable growth.
