• Guojin Securities Co., Ltd. Verification Opinion on Zhejiang Chunhui Intelligent Control Co., Ltd.'s Current Transaction Constituting a Related Party Transaction, but Not Constituting a Major Asset Restructuring or Restructuring Listing

  August 19, 2025

• Guojin Securities Co., Ltd. Verification Opinion on the Purchase and Sale of Assets within 12 Months Prior to the Current Transaction of Zhejiang Chunhui Intelligent Control Co., Ltd.

  August 19, 2025

• Guojin Securities Co., Ltd. Special Verification Opinion on the Impact of Diluting Immediate Returns and Measures to Compensate Returns in the Current Transaction of Zhejiang Chunhui Intelligent Control Co., Ltd.

  August 19, 2025

• 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