Wison Engineering Services Co. Ltd.

(Incorporated in the Cayman Islands with limited liability Stock Code: 2236)

Wison Engineering

Builds a Better World

Environmental, Social and

Governance Report

2022

Wison Engineering Services Co. Ltd.

Environmental, Social

and Governance

Report 2022

CONTENTS

ABOUT THIS REPORT

2

MANAGEMENT/CHAIRMAN'S MESSAGE

4

AWARDS AND HONOURS

6

1

A CLOSER LOOK AT WISON ENGINEERING

8

1.1

AN OVERVIEW OF WISON ENGINEERING

8

1.2

MANAGEMENT SYSTEM

12

1.3

SUSTAINABILITY GOVERNANCE

16

2

MAKING CUTTING-EDGE INNOVATION

28

2.1

INDEPENDENT R&D

28

2.2

CORE CAPABILITIES

31

3

SEEKING SOUND GREEN DEVELOPMENT

33

3.1

SOUND SYSTEM

33

3.2

QUALITY FIRST

35

3.3

SAFETY FIRST

39

3.4

GREEN DEVELOPMENT

43

4

PROMOTING COLLABORATION

AND MUTUAL SUPPORT

57

4.1

SUSTAINABLE SUPPLY CHAIN

57

4.2

CUSTOMER SERVICE

60

4.3

MUTUAL BENEFITS AND WIN-WIN RESULTS

63

5

CARING FOR THE GROWTH

OF EMPLOYEES

65

5.1

EQUALITY AND INTEGRATION

65

5.2

TRAINING AND DEVELOPMENT

69

5.3

EMPLOYEE CARE AND WELL-BEING

72

6

GIVING BACK TO SOCIETY

76

APPENDIX I LIST OF MAJOR APPLICABLE

LAWS AND REGULATIONS

77

APPENDIX II CONTENT INDEX OF HKEX

ESG REPORTING GUIDE

79

APPENDIX III GRI CONTENT INDEX

84

Environmental, Social and Governance Report 2022 / Wison Engineering Services Co. Ltd.

ABOUT THIS REPORT

REPORT OVERVIEW

This report is the seventh Environmental, Social and Governance Report of Wison Engineering Services Co., Ltd. (the "Company"). This report is issued on an annual basis and focuses on the disclosure of the Company's policy, work, and performance in sustainability.

SCOPE OF REPORT

The policies and information contained in this report cover the Company and its wholly-owned and controlled subsidiaries ("Wison Engineering", the "Group" or "We"). Some of the content involves Wison Group Holding Limited (the "Wison Group"). The scope of information disclosure is from 1 January 2022 to 31 December 2022 (the "Reporting Period"), with some additional related information incorporated that may have occurred outside the Reporting Period. Unless otherwise specified, the currency used in this report is Renminbi ("RMB").

BASIS OF PREPARATION

This report is prepared based on the Environmental, Social and Governance Reporting Guide (the "Guide") in Appendix 27 to the Rules Governing the Listing of Securities (the "Listing Rules") issued by the Stock Exchange of Hong Kong Limited (the "Stock Exchange" or "HKEX") with reference to the GRI Standards issued by the Global Sustainability Standards Board (the "GSSB").

This report mainly discloses Wison Engineering's performance in environmental, social and governance ("ESG") aspects for stakeholders and readers' reference. The content of this report is determined according to a set of established procedures including identifying and ranking important stakeholders and ESG issues, determining the boundaries of the report, collecting information in relation to the report, preparing the report based on the information and reviewing the information in the report.

The content covered in this report complies with the "comply or explain" provisions of the Guide and the requirements of four Reporting Principles (i.e. materiality, quantitative, balance and consistency).

2

Environmental, Social and Governance Report 2022 / Wison Engineering Services Co. Ltd.

ABOUT THIS REPORT

This report has identified and disclosed the process of significant ESG issues and the

Materiality

principles on which such issues are chosen, as well as the description of identified

key stakeholders and the process and results of stakeholder engagement.

The statistical criteria, methods, assumptions, and/or calculation tools used to

Quantitativereport emissions/energy consumption (if applicable) in this report, as well as the sources of conversion factors, are all explained in the report.

The report provides an unbiased picture of the Company's performance during the

BalanceReporting Period and avoids selections, omissions, or presentation formats that may inappropriately influence a decision or judgment by the report readers.

Consistency

The statistical methods used to disclose information in this report are consistent with those used last year. Any changes will be clearly stated in the report.

SOURCE OF AND RELIABILITY GUARANTEE FOR INFORMATION

The information and cases of this report mainly come from the Company's statistical reports and related files. The board of directors of the Company (the "Board of Directors" or the "Board") guarantees that this report does not contain any false records or misleading statements, and is responsible for the authenticity, accuracy and completeness of its content.

ACCESS AND RESPONSE TO THIS REPORT

This report is available in both traditional Chinese and English versions for readers' reference. In case of any discrepancy, the traditional Chinese version prevails.

The electronic version of the report is available in the section headed "Financial Statements/Environmental, Social and Governance Information" on the website of the Stock Exchange (www.hkexnews.hk) or on the official website of Wison Engineering (www.wison-engineering.com).

We attach great importance to the suggestions of stakeholders and welcome readers to contact us using the following contact information. Your suggestions will help us further improve this report and enhance the overall sustainability performance of Wison Engineering.

Tel.: 852-21164313

Fax: 852-21169273

Address: Room 5408, 54th Floor, Central Plaza, 18 Harbour Road, Wan Chai, Hong Kong

3

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Wison Engineering Services Co. Ltd. published this content on 25 April 2023 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 25 April 2023 23:06:10 UTC.