<em id="ldu74"><span id="ldu74"></span></em>

            <wbr id="ldu74"></wbr>
          1.   Welcome to our company!   
            一本久久A久久精品亚洲_日韩不卡高清无码人妻_亚洲精品免费视频观看视频_av一区二区三区不卡在线
             
                     Sulfide series
                     Ester series
                     Alcohol series
                     Organic salt and other se
                     More
             
               
              About us
            Dongying webchem chemical Co.,Ltd.is a high-tech chemical enterpeise integrating research,production,Custom,transfer,Market Research,Sales & Support.
             
            Our company has different departments such as experiment center,Test Base, production base,Testing Centre and sales department. we can do many high challenge chemical reactions. the experimental device can carry on no matter high temperature,low temperature,high pressure or high vacuum. in addition, we have a professional work team, and have a rich experience and technical advantage in halogenation,hydrogenation, oxidoreduction, hydrolysis,decarboxylation,acylation,rectification and so on. especially in Chiral technology.
             
            Up to now,our products have been exported to America,England, France,Spain,India,South Korea,Japan ,etc, We have won a good reputation in and abroad!