Dongchen Imp. & Exp. Co.,Ltd. was established by Eastar Group-China Top 500 Enterprise, and for over 10 years, it has become a professional supplier of biological and chemical products supplying a wide range of Hyaluronic Acid, Chondroitin Sulfate, Neopentyl Glycol, Methanol, Formaldehyde, etc, to specialty and proprietary products. Dongchen has established world-class manufacturing and development facility, owns dedicated and GMP production lines for cutting-edge manufacturing. The ...