Announcement on the progress of repurchasing the company's shares through centralized bidding trade.
Verification opinion on the special dividend distribution of differentiated equity and ex-right matters of Huahaiqingke Co., Ltd. by Guotai Junan Securities Co., Ltd.
Announcement of Annual Equity Distribution Implementation in 2023
Announcement on the adjustment of the maximum repurchase price after the implementation of the 2023 annual equity distribution.
The voluntary disclosure announcement of the "Key Technology and Equipment of Integrated Circuit Chemical Mechanical Polishing" project winning the first prize of the National Technology Invention Award in 2023.
Announcement on Adjusting the Total Amount of Cash Dividends and the Total Amount of Capital Reserve Transferred to Share Capital in the Profit Distribution of 2023
Announcement on the progress of the repurchase of company shares through centralized bidding transactions
Announcement on the initial public offering of some strategic placement of restricted shares
Opinions of Guotai Junan Securities Co., Ltd. on the initial public offering of Huahai Qingke Co., Ltd. on the listing and circulation of some restricted shares
Announcement of Resolutions of the 2023 Annual General Meeting of Shareholders
Legal Opinion of Beijing Hairun Tianrui Law Firm on the 2023 Annual General Meeting of Shareholders of Huahai Qingke Co., Ltd.
2023 Annual General Meeting of Shareholders Meeting Materials
Announcement on the progress of the repurchase of company shares through centralized bidding transactions
Huahai Qingke Co., Ltd. Investor Relations Activity Record Form - April 29, 2024
Special audit report on the summary table of non-operating capital occupation and other related capital transactions of Huahai Qingke Co., Ltd.
2023 ANNUAL REPORT
2023 Independent Director Debriefing Report (Jin Yufeng)
2023 Environmental, Social and Governance (ESG) Report
Huahai Qingke Co., Ltd. Internal Control Audit Report
2023 Board Audit Committee Performance Report
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