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| The international network printing exhibition 2019 with thousand color changes has been closed succe |
| Release time：2020-10-09 14:49 |
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On November 19, 2019, the 5th China International online printing exhibition was opened in Guangzhou Poly World Trade Expo. Qiancaibian, as a brand company of color changing material technology application service provider, was invited to participate in the exhibition with booth No. 2415
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