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        1.   Welcome to our company!   
          亚洲综合无码|国产成人免费视频99|亚洲国产精品无码中文字幕|95国产精品午夜福利视色|中文字幕无码免费久久99
           
                   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!