Time range

From January 1 to December 31, 2021. To make this report more comparative and forward-looking, we have included data from previous years. The report is released annually, sharing the same cycle as our financial report release.

Data source

Data in this report is from our original internal ledgers, documents and audit reports. Some economic data comes from our 2021 annual report, which has been audited by Hexin Certified Public Accountants LLP.

Data assurance

This report has been certified by TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch, an independent international third-party certification body. Please refer to the appendices for an Independent Verification Statement.

Basis for compilation

-The "core" option criteria of the Global Reporting Initiative Standards for sustainability reporting (GRI Standards);

-Industry standards for hardware issued by the Sustainability Accounting Standards Board (SASB);

-The United Nations Sustainable Development Goals (UN SDGs 2030);

-Relevant guidelines on information disclosure such as the Measures on Assessing Information Disclosure by Shenzhen Stock Exchange Listed Companies (2022), the Working Guidelines No.1 of the Shenzhen Stock Exchange for Self-discipline Supervision: Business Handling, and the Guidelines for Corporate Social Responsibility of Shenzhen Stock Exchange Listed Companies. Please refer to appendices for details.