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      A片人禽杂交视频在线观看,国产婷婷综合在线视频中文,日韩中文字幕精品三区在线,
           
       
                Aminoalcohols and Derivatives
                Piperidine and Derivatives
                Raw material medicine
                Other derivatives
                Other organic fine intermediates
                Other intermediates
                Other advanced intermediates
              More 
       
       
       
        About us

      Located at Jinan, city of springs in Shandong Province, Jinan Welt Chem. Co .Ltd is a professional manufacturer of pharmaceutical intermediate and fine chemicals. We serve customers specialty products in a dynamic global market, offering marketing and logistics expertise.
      Our company has advanced lab of organic synthesis, analysis center, semi-works and production basis. We have additional corporations with scientific institutes.  Great achievement has been made in new technique research and new chemicals developing.
      Through creating new and useful technologies and products, Welt Chem continues to work improving overall quality and build higher levels of innovation into our products .Our vision for Welt Chem is to shape the world’s leading brand.
      For further information on Welt Chem please contact us.



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