亚洲色人妻va,久久人人97香蕉超碰精品蜜臀,亚洲欧美韩国欧洲精品AA,亚洲AV精色AV日韩大尺度,2021韩国三级午夜理论黄片,国产成人AV又猛又爽又黄gv,精品三级片在线二区,超级黄18禁色惰网站免在线费}

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.