国内偷一拍对白在线播放,国产精品系列xxx,国产青青草视频免费观看,中文字幕av无码人妻,河南妇女毛浓浓bw,国产老年妇女bbw视频,香蕉国产精品偷在看视频,初尝办公室人妻少妇,国产精品爱剪辑在线观看,成人午夜精品无码区

About Us

Xinxiang Jincheng Pharmaceutical Chemical Co., Ltd. is a high-tech enterprise engaging in research, production and operation.
Insisting on the policy of 'people oriented, quality top', the company dedicated itself to research and production of chemical intermediates and pharmaceutical intermediates. By years' accumulation, the company has established the development direction of large-scale production of nitrine series, sulfonyl chloride series and its derivatives. The main products include: Tosyl chloride, p-Toluenesulfonyl azide, 4-Dodecylbenzenesulfonyl azide, N,N-Diisopropylethylamine and other pharmaceutical intermediates.

The company has graceful production environment, modernized production equipment, scientific management method and standardized quality control system. Our products are sold to the whole country and even exported to India and other countries, they've met great favor home and abroad. 

 





?