China Avionics Systems Co.Ltd(600372) : China Avionics Systems Co.Ltd(600372) announcement on the renewal of accounting firm

Stock Code: China Avionics Systems Co.Ltd(600372) stock abbreviation: China Avionics Systems Co.Ltd(600372) No.: pro 2022017

China Avionics Systems Co.Ltd(600372)

Announcement on the renewal of accounting firm

The board of directors and all directors of the company guarantee that there are no false records, misleading statements or major omissions in the contents of this announcement, and bear individual and joint liabilities for the authenticity, accuracy and completeness of its contents.

Important content tips:

● name of the accounting firm to be employed: Dahua accounting firm (special general partnership) I. Basic information of the accounting firm to be employed

(I) institutional information

1. Basic information

(1) Organization Name: Dahua Certified Public Accountants (special general partnership) (hereinafter referred to as Dahua certified public accountants)

(2) Nature of organization: special general partnership

(3) History: the brand of Dahua Certified Public Accountants (special general partnership) originates from Dahua certified public accountants co founded by Shanghai Finance Bureau and Shanghai University of Finance and economics in October 1985. On November 26, 2009, in order to meet the needs of the development of the situation and in accordance with the strategic policy of the Ministry of Finance on Several Opinions on accelerating the development of China’s certified public accountants industry, Beijing Lixin certified public accountants Co., Ltd. merged with several large-scale accounting firms such as Guangdong Dahua Delu Certified Public Accountants (special general partnership). After the merger, reorganization and integration, Beijing Lixin certified public accountants Co., Ltd. was renamed “Lixin Dahua certified public accountants Co., Ltd.”. On August 31, 2011, it was renamed “Dahua certified public accountants Co., Ltd.”. In September 2011, it was transformed into a special general partnership accounting firm in accordance with the Interim Provisions on promoting large and medium-sized accounting firms to adopt the organizational form of special general partnership jointly issued by the Ministry of Finance and the State Administration for Industry and Commerce (renamed the State Administration of market supervision). On November 3, 2011, “Dahua Certified Public Accountants (special general partnership)” obtained the reply of Beijing Municipal Bureau of Finance (jckkk [2011] No. 0101). On February 9, 2012, Dahua certified public accountants was registered and established with the approval of Beijing Administration for Industry and Commerce (renamed Beijing Municipal Bureau of market supervision).

(4) Chief partner: Liang Chun

(5) Registered address: 1101, building 7, yard 16, Middle West Fourth Ring Road, Haidian District, Beijing

(6) Business qualification: in 1992, it was the first batch to obtain the securities and futures related business license of accounting firm issued by the Ministry of Finance and China Securities Regulatory Commission. In 2006, it was recognized by PCAOB to obtain the audit business qualification of American listed companies. In 2010, it was the first batch to obtain the audit business qualification of H-share listed companies. In 2012, it obtained the Filing Certificate of security and confidentiality conditions for military secret related business consulting services. (7) Have you ever engaged in securities service business: Yes

(8) Investor protection ability: the number of occupational risk funds at the end of 2020: 4.0591 million yuan; Cumulative compensation limit of professional liability insurance: 70 million yuan; The withdrawal of occupational risk fund or the purchase of occupational insurance comply with relevant regulations; Relevant occupational insurance can cover the civil liability caused by audit failure.

(9) Whether to join relevant international accounting network: Join Dahua international accounting company (formerly mashiyun international accounting company).

2. Personnel information

As of December 31, 2021, the number of partners is 264; By the end of 2021, the number of certified public accountants was 1481, of which 929 had signed the audit report of securities service business.

3. Business information

Total business income in 2020: 2520553200 yuan; Audit revenue in 2020: 2253578000 yuan; Securities business income in 2020: 1095351900 yuan; The number of annual reports audited by listed companies: 376, mainly in manufacturing, information transmission software and information technology services, real estate, wholesale and retail, and construction; Total annual report audit fees of Listed Companies in 2020: 417257200 yuan; Dahua certified public accountants has audit experience in the industry in which China Avionics Systems Co.Ltd(600372) works, and there are 8 audit clients of China Avionics Systems Co.Ltd(600372) listed companies in the same industry.

4. Independence and integrity record

In the past three years, Dahua certified public accountants has been subject to criminal punishment 0 times, administrative punishment 1 time, supervision and management measures 26 times, self-discipline and supervision measures 0 times and disciplinary punishment 2 times for its practice behavior; In the past three years, 79 employees have been subject to criminal punishment 0 times, administrative punishment 1 time, supervision and management measures 37 times, self-discipline and supervision measures 1 time and disciplinary punishment 3 times respectively.

(II) project member information

1. Personnel information

Project partner: long Jiao, who became a certified public accountant in October 2009, began to audit listed companies in August 2006, began to practice in Dahua certified public accountants in December 2020, and began to provide audit services for the company in 2021; Audit reports of listed companies signed in recent three years: 4. Signature certified public accountant: Huang Yuqing, who became a certified public accountant in June 2015, began to audit listed companies in March 2011, began to practice in Dahua certified public accountants in December 2021, and began to provide audit services for the company in 2021; Audit reports of listed companies signed in recent three years: 1. Reviewer of project quality control: Tang Weiqiang, who became a certified public accountant in May 2004, began to audit listed companies and listed companies in January 2002, began to practice in Dahua certified public accountants in September 2012, began to review in September 2020, and reviewed more than 50 audit reports of Listed Companies in recent three years.

2. Integrity record

The project partner, the signing certified public accountant and the project quality control reviewer have not been subject to criminal punishment for their professional behavior in recent three years, have been subject to administrative punishment, supervision and management measures of the CSRC and its dispatched offices and industry competent departments, and have been subject to self-discipline supervision measures and disciplinary sanctions of self-discipline organizations such as stock exchanges and industry associations.

3. Independence

Dahua certified public accountants, project partners, signing certified public accountants and project quality control reviewers can maintain their independence in the audit of the project.

(III) audit fees

The company plans to continue to employ Dahua certified public accountants as the auditor of annual financial report and internal control in 2022. The total audit fee is 890000 yuan. Compared with the previous period, there is no change in the audit fee in this period.

2、 Procedures to be performed by the accounting firm to be reappointed

(I) the audit committee of the board of directors of the company has fully understood and reviewed the professional competence, investor protection ability, independence and integrity of Dahua certified public accountants, evaluated the audit work in 2021, and believes that Dahua certified public accountants has relevant business audit qualification and can meet the audit needs of the company. In the process of auditing the company’s 2021 financial report, In strict accordance with the provisions of the auditing standards for Chinese certified public accountants, we have performed the necessary audit procedures, collected appropriate and sufficient audit evidence, and the audit conclusion is in line with the actual situation of the company.

Therefore, we agree to the proposal on considering the renewal of accounting firm.

(II) the independent directors of the company reviewed the relevant materials of the proposal on considering the renewal of accounting firm in advance, and approved and agreed to submit the above proposal to the fourth meeting of the seventh board of directors in 2022 for deliberation. The independent directors expressed their independent opinions that Dahua certified public accountants meets the qualification of accounting firm specified in the securities law, and the company’s 2021 financial report, audit report and internal control audit report truly and accurately reflect the company’s financial status, operating results and internal control status, with good professional level and diligence. We agree to renew his appointment as the company’s 2022 financial report auditor and internal control auditor. Agree to submit the proposal to the general meeting of shareholders for deliberation.

(III) the fourth meeting of the seventh board of directors in 2022 held on March 29, 2022 deliberated and approved the proposal on considering the renewal of accounting firm, agreed to renew Dahua accounting firm as the company’s accounting firm in 2022, and agreed to submit the proposal to the shareholders’ meeting for deliberation. (IV) the appointment of an accounting firm needs to be submitted to the general meeting of shareholders of the company for deliberation, and will take effect from the date of deliberation and approval by the general meeting of shareholders of the company.

3、 Documents for future reference

1. Resolution of the fourth meeting of the seventh board of directors in 2022.

2. Prior approval and independent opinions of the independent directors of the company on the renewal of the accounting firm.

3. Audit opinions of the audit committee of the board of directors on employing an accounting firm.

It is hereby announced.

China Avionics Systems Co.Ltd(600372)

Board of directors

March 31, 2022

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