亚洲中文字幕一二三区_国产饥渴熟女91_国产丝袜肉丝视频在线_91精品国产免费青青碰在线观看

Products

Add:Room 502, 5th Floor, Building 2, Hongchang Science and Technology Park, No. 396 Yuhua East Road, Shijiazhuang High tech Zone
Tel:+86-311-85291771
Contact:Manager Li
Mobile:
+86-13832391721
+86-13315989600

Core technology

       ShiJiaZhuang Chirals Chemical Co.,Ltd. devoted to contract chemical development and manufacturing services to meet demanding at any stage of development (kilo-lab, pilot-plant and full scale commercial).
       Asymmetric hydrogenation is a chemical reaction that adds two atoms of hydrogen to a target (substrate) molecule with three dimensional spatial selectivity. Critically, this selectivity does not come from the target molecule itself, but from other reagents or catalysts present in the reaction.