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0515-83612168   0515-83611888

    企業榮譽

    發明專利證書

    2016-01-18

    高純度精制咔唑生產工藝、規模是國內、國際最大、最先進的，于2009年10月獲得國家知識產權局頒發的“粗蒽精餾制備高純度蒽和咔唑方法”發明專利證書。


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