Tianma Microelectronics Co.Ltd(000050)
Internal control audit report
Dahuanezi [2022] Shenzhen Huakong Seg Co.Ltd(000068)
Dahua Certified Public Accountants (special general partnership)
DaHuaCertifiedPublicAccountants（SpecialGeneralPartnership）
Tianma Microelectronics Co.Ltd(000050)
Internal control audit report
(as of December 31, 2021)
Table of contents page I. internal control audit report 1-2
Dahua Certified Public Accountants (special general partnership) 12 / F, building 7, yard 16, Middle West Fourth Ring Road, Haidian District, Beijing [100039] Tel: 86 (10) 58350011 Fax: 86 (10) 58350006 www.dahua-cpa. com. Internal control audit report
Dahuanezi [2022] Shenzhen Huakong Seg Co.Ltd(000068) Tianma Microelectronics Co.Ltd(000050) all shareholders:
In accordance with the guidelines on audit of internal control of enterprises and the relevant requirements of the practice standards for Certified Public Accountants of China, we have audited the effectiveness of internal control over the financial statements of Tianma Microelectronics Co.Ltd(000050) (hereinafter referred to as shentianma) as of December 31, 2021.
1、 Responsibility of enterprises for internal control
It is the responsibility of the board of directors to establish, improve and effectively implement internal control and evaluate its effectiveness in accordance with the provisions of the basic norms of enterprise internal control, guidelines for the application of enterprise internal control and guidelines for the evaluation of enterprise internal control.
2、 Responsibilities of Certified Public Accountants
Our responsibility is to express audit opinions on the effectiveness of internal control over financial reporting based on the implementation of audit work, and disclose the significant defects of non-financial reporting internal control noted.
3、 Inherent limitations of internal control
The possibility of internal error detection and control cannot be prevented. In addition, due to changes in circumstances that may lead to inappropriate internal control or reduced compliance with control policies and procedures, it is necessary to speculate on the future of internal control according to the internal control audit results
Dahuanezi [2022] Shenzhen Huakong Seg Co.Ltd(000068) internal control audit report
Effectiveness has certain risks.
4、 Audit opinion on internal control of financial report
We believe that shentianma maintained effective internal control over financial reporting in all major aspects in accordance with the basic norms of enterprise internal control and relevant regulations on December 31, 2021. Dahua Certified Public Accountants (special general partnership) Chinese certified public accountant:
Long Jiao, certified public accountant of China:
Huang Yuqing March 11, 2002
