中韩高清无专码区2021曰_色翁荡熄又大又硬又粗又视频图片_波多野结衣乳巨码无在线观看_国产91福利在线播放_国产人妻人伦精品_马来西亚潜水天堂_黄色免费网站下载_免费看黄网站黄污污污热门软件_小莹客厅激情46章至50章视频

Zhengzhou Yinyue Chemicals Co., Ltd. located in Wangcun Town of Zhengzhou City in Henan Province, is close to Lian-Huo Expressway and Long-Hai Railway, enjoying very convenient transportation. With an occupied floor area of 23,000m2 and building area of 5,000 m2, we are a high-tech enterprise engaged in the manufacture of alcohols/aldehydes use silver catalysts and pharmaceutical/pesticide intermediates.

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 thioglycolate, 2-amino-4-chloro-5-nitrophenol and 2,5-Diaminotoluene sulfate.

Upholding the philosophy of "Honesty and Kindheartedness Foremost", we will offer the society better products and services, and are ready to cooperate with friends from around the world for mutual prosperity.