[Provisional announcement]Notice on convening 2019 annual general meeting of shareholders     2020/4/24
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    [Provisional announcement]Resolution announcement of the fourth meeting of the second board of supervisors     2020/4/24
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    [Provisional announcement]Resolution announcement of the fourth meeting of the second board of directors     2020/4/24
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    [Provisional announcement]Annual report 2019     2020/4/24
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    [Provisional announcement]Summary of 2019 Annual Report     2020/4/24
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    [Provisional announcement]Announcement of subscription results of directional issuance of shares     2020/4/20
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    [Provisional announcement]Announcement on subscription of directional issuance of shares     2020/4/14
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    [Provisional announcement]Announcement on the receipt of the letter of no objection to the directional issuance of shares of the national small and medium-sized enterprise stock transfer system Co., Ltd     2020/4/7
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    [Provisional announcement]Announcement on receiving the acceptance notice of directional issuance of national small and medium-sized enterprise stock transfer system Co., Ltd     2020/3/27
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    [Provisional announcement]Resolution announcement of the first extraordinary general meeting of shareholders in 2020     2020/3/25
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    [Provisional announcement]Directional prospectus     2020/3/10
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    [Provisional announcement]Management system of raised funds     2020/3/10
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    [Provisional announcement]Announcement on change of articles of Association     2020/3/10
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    [Provisional announcement]Resolution announcement of the third meeting of the second board of supervisors     2020/3/10
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    [Provisional announcement]Notice on convening the first extraordinary general meeting of shareholders in 2020     2020/3/10
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    [Provisional announcement]Resolution announcement of the third meeting of the second board of directors     2020/3/10
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    [Provisional announcement]Announcement of Resolutions of the Second Meeting of the Board of Directors     2019/8/6
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    [Provisional announcement]Announcement of Resolutions of the Second Meeting of the Second Supervisory Board     2019/8/6
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    [Periodic report]Semi-annual report 2019     2019/8/6
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    [Provisional announcement]     2019/7/2
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