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      Annual scale procurement of zinc sulfate: 30,000 tons
      Annual scale procurement of manganese sulfate: 15,000 tons
      Annual scale procurement of ferrous sulfate: 10,000 tons
      Annual scale procurement of copper sulfate: 15,000 tons
      Source: self-owned factories, for purposeful and custom-made development

       


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      Promising Minerals Co., Ltd.
      Tel: +86-731-84872016    Email: jacksong@promisingchem.com
      Promising Chemicals Co., Ltd.
      Tel: +86-731-85328848    Email: sales@promisingchem.com

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