Located in Zhengzhou City, China , Henan Daken Chemical Co.,Ltd was Established in June ,1983.We have a 37 years history for fine chemical synthesis .Daken has young technology team with 24 persons ,among which there are 6 persons with Doctor’s degree ,and 9 persons with Master’s degree in chemical .Daken has 61 projects at national or provincial level ,29 patents ,116 papers ,and 12 awards by government .Research and Development is the backbone of Daken. Have right mix of experienced, young and enthusiastic research team to find simple and innovative solutions to critical challenges in synthetic chemistry