March of 2016 Chang the name Zhengzhou Dezhong chemical reagent factory to Zhengzhou Deyuan fine chemicals co., ltd.
October of 2015 DZ336 was developed successfully and began to produce.
April of 2015 CA-12 was developed successfully and began to produce.
October of 2014 CL-10 High efficient complexing reagent was developed successfully.
May of 2014 C-272 Nickel and Cobalt extraction reagent was developed and began to produce.
March of 2013 Got ISO9001 Quality management system certification.
December of 2012 Our copper extraction reagent got national invention patent.
October of 2010 Began to produce copper leaching reagent.
March of 2008 Cooperated with Zhengzhou university, Lanzhou university etc. and other scientific research department to research and development copper extraction reagent.
May of 2003 Began to produce P-204 and P-507
April of 2002 Zhengzhou Dezhong chemical reagent factory founded.
Add: Sangyuan, Wangcun, Xingyang, Henan, China
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