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      2021年年度报告摘要

      scanning： time：2023-07-26
      2021年年度报告摘要

      • Laoshan Office Area: 35-36/F, Block B, Yongxin International Financial Center, No. 6 Qinling Road, Zhonghan Street, Laoshan District, Qingdao TEL: 0532- 66962088 Investor hotline ：0532-68004136
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        Chengyang Industrial Park: Airport Industrial Ghetto, west of Shuangyuan Road, Liuting Street, Chengyang District, Qingdao TEL:0532-66962089 E- mail ：qdzhongcheng#qdzzzc.com
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