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Zhengzhou City Public Germany Chemical Reagent focused on the development and application of extraction agent, focus on continuous investment in R & D In, always walk in the forefront of the development of the extraction agent. The first breakthrough in enterprise oxime - aldoxime compound copper extraction ...


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    Fax: +86-371-64853041

    Email: dezhong988@163.com

  • Add: Xingyang Wangcun Mulberry industrial zone in Henan Province