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  Oct 2019 – 126th Canton Fair
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  Apr 2019 – 125th Canton Fair
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  Princo Products by our company
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  Oct 2018 – 124th Canton Fair
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  Party Secretary Li Gongle visited the company in June 7, 2016
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  Technical seminar photo of the quality about optical disk replication in July 7, 2016
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  Technical seminar of the quality about optical disk replication in July 7, 2016