• Guojin Securities Co., Ltd. Independent Financial Advisor Report on Zhejiang Chunhui Intelligent Control Co., Ltd.'s Issuance of Shares and Payment of Cash to Purchase Assets and Related Party Transactions

  August 19, 2025

• Commitment Issued by Guojin Securities Co., Ltd. Based on Sufficient Due Diligence and Internal Review

  August 19, 2025

• Audit Report

  August 19, 2025

• Review Report

  August 19, 2025

• Brief Report on Equity Change of Zhejiang Chunhui Intelligent Control Co., Ltd.

  August 19, 2025

• Asset Valuation Report on the Full Equity Value of Shareholders of Zhejiang Chunhui Instrument Co., Ltd. Involved in the Proposed Issuance of Shares and Payment of Cash to Purchase Assets by Zhejiang Chunhui Intelligent Control Co., Ltd.

  August 19, 2025

• 2025-061 Progress Announcement on the Issuance of Shares and Payment of Cash to Purchase Assets and Related Party Transactions

  August 9, 2025

• From CPM to CBS - Chunhui Intelligent Control's New Entrepreneurial Execution Path

  July 26, 2025

• 2025-060 Progress Announcement on the Issuance of Shares and Payment of Cash to Purchase Assets and Related Party Transactions

  July 12, 2025

• 2025-059 Progress Announcement on the Use of Part of Idle Raised Funds and Own Funds for Cash Management

  July 2, 2025