Report on Change of Equity (Revised Draft)

Guangdong Piano Scientific Artistic Home Co., Ltd.

Name of Listed Company: Guangdong Piano Scientific Artistic Home Co., Ltd.

Listing Venue: Shenzhen Stock Exchange

Stock Abbreviation: Piano

Stock Code: 002853

Information Disclosure Obligor: Hangzhou Chuxin Micro Technology Partnership (Limited Partnership)

Domicile/Correspondence Address: Room 236-1, Bonded Building, West Side of Bonded Road, Hangzhou Airport Economic Zone, Xiaoshan District, Hangzhou City, Zhejiang Province

Nature of Equity Change: Increase in shares (agreement-based transfer, waiver of voting rights by the transferor, and subscription of shares issued by the listed company to a specific party)

Signing Date: July 2026

Statement of Information Disclosure Obligor

This report is prepared in accordance with the Company Law of the People's Republic of China, the Securities Law of the People's Republic of China, the Administrative Measures for the Takeover of Listed Companies, the Standards for the Contents and Formats of Information Disclosure by Companies Offering Securities to the Public No. 15—Report on Change of Equity, the Standards for the Contents and Formats of Information Disclosure by Companies Offering Securities to the Public No. 16—Report on the Takeover of Listed Companies, and other relevant laws, regulations, and normative documents.
In accordance with the Securities Law of the People's Republic of China, the Administrative Measures for the Takeover of Listed Companies, and other relevant laws, regulations, and normative documents, this report has fully disclosed the shares in Guangdong Piano Scientific Artistic Home Co., Ltd. held by the information disclosure obligor. As of the signing date of this report, except for the shareholding information disclosed herein, the information disclosure obligor does not hold any equity in Guangdong Piano Scientific Artistic Home Co., Ltd. through any other means.
The information disclosure obligor has obtained the necessary authorization and approval to sign this report, and its performance does not violate or conflict with any terms in the articles of association or internal rules of the information disclosure obligor.
This equity change is conducted based on the information contained in this report. Except for the information disclosure obligor and the professional institutions engaged, no other person has been entrusted or authorized to provide information not contained in this report or to make any interpretation or explanation of this report.
The information disclosure obligor warrants that this report does not contain any false records, misleading statements, or major omissions, and assumes individual and joint legal liability for the authenticity, accuracy, and completeness of this report.
This equity change is still subject to compliance review by the Shenzhen Stock Exchange and the completion of relevant procedures for the transfer of shares at the Shenzhen Branch of China Securities Depository and Clearing Corporation Limited. The completion of the above matters will affect the progress of this transaction. If any major risks affecting this transaction arise during the process, there is a risk that this transaction may be terminated. There remains significant uncertainty as to whether this transaction can be ultimately implemented and the final results thereof; investors are advised to pay attention to investment risks.

Table of Contents

Information Disclosure Obligor Statement: 2

Table of Contents: 3

Definitions: 4

Section I: Introduction to Information Disclosure Obligor and Its Persons Acting in Concert: 6

Section II: Purpose of Equity Change and Decision-Making Procedures: 15

Section III: Method of Equity Change: 17

Section IV: Source of Funds: 57

Section V: Subsequent Plans: 58

Section VI: Analysis of Impact on the Listed Company: 60

Section VII: Major Transactions with the Listed Company: 63

Section VIII: Trading of Listed Company Shares in the Last Six Months: 64

Section IX: Financial Information of the Information Disclosure Obligor: 65

Section X: Other Major Matters: 72

Section XI: Documents Available for Inspection: 73

Information Disclosure Obligor Statement: 74

Appendix: 76

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