Zhengzhou Yinyue Chemicals Co., Ltd. has around 20 years'' experiences in the production of electrolytic silver. And we have established cooperation with key domestic universities on the research and improvement of silver catalysts for formaldehyde, acetaldehyde, glyoxal and methylglyoxal. Manufactured with new production techniques, our electrolytic silver catalysts feature high purity, large specific surface area and good gas permeability, and it can reduce the consumption of raw materials in industrial production. In addition, our pharmaceutical and pesticide intermediates have been exported to other countries in the world. Currently, we mainly produce electrolytic silver catalysts, 1,3-Dimethyl-3,4,5,6-tetrahydropyrimidin-2(1H)-one (DMPU), methyl thioglycolate, 2-ethylhexyl thiogly..