Hangzhou High-tech Co., Ltd.

2024 Annual Report (Corrected Version)

2023 Annual Report (Revised)

2025 Annual Report (Revised)

Announcement on Corrections to the 2023, 2024, and 2025 Annual Reports

Announcement of Resolutions from the 23rd Meeting of the 5th Board of Directors

Reminder Announcement on the Judicial Execution of Shares Held by Shareholders with More Than 5% Ownership

Legal Opinion from Zhejiang Tianche Law Firm Regarding the 2nd Extraordinary Shareholders' Meeting of Hangzhou High-tech Materials Technology Co., Ltd. in 2026

Announcement of the Resolution of the 2nd Extraordinary Shareholders' Meeting of 2026

Legal Opinion from Zhejiang Tianche Law Firm Regarding the 2025 Annual Shareholders' Meeting of Hangzhou High-tech Materials Technology Co., Ltd.

Announcement of Resolutions from the 2025 Annual Shareholders' Meeting

Continuous Supervision Opinion for the Detailed Equity Change Report of Hangzhou High-tech Materials Technology Co., Ltd. by China International Capital Corporation in the First Quarter of 2026

China International Capital Corporation Limited's Continuous Supervision Opinion on the Detailed Equity Change Report of Hangzhou High-tech Materials Technology Co., Ltd. for the Fourth Quarter of 2025

Notice of the Company's 2026 Second Extraordinary Shareholders' Meeting

Resolution Announcement of the 22nd Meeting of the 5th Board of Directors

2026 First Quarter Report

Announcement on Receiving Performance Commitment Compensation

Announcement on the Change of the Main Sponsor of Continuous Supervision Financial Advisor

Announcement on the Release of Pledge on Part of the Shareholder's Equity

Announcement on the reappointment of the company's audit institution for the year 2026

2025 board of directors audit committee performance report

2025 board of directors work report

2025 independent director performance report (Fu Shuwei - resigned)

2025 independent director performance report (Wu Bozhen - resigned)

2025 independent director performance report (Li Xiao)

2025 independent director performance report (Jia Kun)

2025 independent director performance report (Kuang Tairong)

2025 independent director performance report (Xu Qiang - resigned)

Notice of the 2025 online performance briefing

Internal control audit report

2025 internal control self-evaluation report

Announcement on the compensation plan for directors and senior management for the year 2026

Announcement on unmade losses reaching one-third of the total paid-in capital

Feasibility analysis report on the company's commodity futures hedging business

Announcement on the company's commodity futures hedging business

Notice of the company's 2025 annual shareholders' meeting

Announcement of the resolution of the 21st meeting of the 5th board of directors

Special explanation on the non-distribution of profits for the year 2025

Verification report on the completion of performance commitments by the original controlling shareholder of Hangzhou Gaoxin Materials Technology Co., Ltd.

Announcement on the completion of performance commitments by the original controlling shareholder of Hangzhou Gaoxin for the year 2025

Special verification opinion on the deduction of operating income

Report on the evaluation of the accounting firm's performance for the year 2025

Report from the board of directors' audit committee on the accounting firm's performance of supervisory duties for the year 2025

Special audit explanation on the 2025 annual non-operating fund occupation and other related fund transactions

2025 annual non-operating fund occupation and other related fund transactions table

Board of directors' special opinion on the independence of independent directors

2025 annual audit report

2025 annual report

2025 annual report summary

Reminder Announcement on the Release of Partial Share Pledge by Company Shareholders

Zhongde Securities' Financial Advisor Verification Opinion on Hangzhou Gaoxin's Detailed Report on Changes in Equity

Detailed Report on Changes in Equity

Announcement on Formulating and Revising Certain Corporate Governance Systems

Directors and Senior Management Compensation Management System (Revised March 2026)

Raised Funds Management System (March 2026)

Written Review Opinion of the Board of Directors' Audit Committee on Matters Related to the Company's Issuance of Shares to Specific Parties

Announcement on the Subscriber Issuing a Commitment Not to Reduce Company Shares During a Specific Period

Announcement on Signing a Conditional Share Subscription Agreement with Specific Parties and Related Party Transactions

Announcement on Convening a Shareholders' Meeting at a Later Date

Announcement of Resolutions of the 20th Meeting of the Fifth Board of Directors

Announcement on Not Needing to Prepare a Report on the Use of Previous Raised Funds

Shareholder Return Plan for the Next Three Years (2026-2028)

Announcement on Regulatory Measures or Penalties and Rectification by Securities Regulatory Authorities and Exchanges in the Past Five Years

Announcement on the Absence of Direct or Indirect Financial Assistance or Compensation Provided by the Company to Participating Investors through Related Parties in this Private Placement of Shares to Specific Objects

Announcement on the Risk Warning and Filling Measures for the Dilution of Immediate Returns from the Company's Private Placement of Shares to Specific Objects, and Commitments from Related Parties

Indicative Announcement on the Disclosure of the Private Placement Plan to Specific Objects

2026 Feasibility Analysis Report on the Use of Proceeds from the Private Placement of A-Shares to Specific Objects

2026 Analysis Report on the Feasibility of the Private Placement Plan for A-Shares to Specific Objects

2026 Private Placement Plan for A-Shares to Specific Objects

Indicative Announcement on Changes in Shareholder Equity Due to the Private Placement of Shares to Specific Objects