意大利贵宾会

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      3,3’,4,4’-BENZOPHENONETETRACARBOXYLIC DIANHYDRIDE(BTDA)
       

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      Shandong Dongyue Polymer Material Co., Ltd.

      Domestic Sales Office：0533-8510456

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      Foreign Sales Office：0533-8510071

      E-mail：esales@xiyanm.com

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