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    1.   Welcome to our company!   
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               Sulfide series
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        Contact us
      Dongying Webchem Chemical Co.,Ltd. 
      Add: Haisheng road, Hekou, Dongying, Shandong, China 
      Contcater:liu Manager +86-13012900910
      Tel:+86-546-3665336
      Fax:+86-546-3665338
      E-mail:sales@webchem.cn