Dalian Demaishi Precision Technology Co.Ltd(301007) : verification report on the deposit and use of raised funds

Dalian Demaishi Precision Technology Co.Ltd(301007)

Verification report on the deposit and use of raised funds

Dahuhezi [2022] No. Hangzhou Robam Appliances Co.Ltd(002508)

Dahua Certified Public Accountants (special general partnership)

DaHuaCertifiedPublicAccountants(SpecialGeneralPartnership)

Dalian Demaishi Precision Technology Co.Ltd(301007)

Verification report on the deposit and use of raised funds

(2021)

Table of contents page 1. Verification report on the deposit and use of raised funds 1-2 II. Special report on the deposit and use of raised funds 1-4 in Dalian Demaishi Precision Technology Co.Ltd(301007) 2021

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. Verification report on the deposit and use of raised funds

Dahuhezi [2022] No. Hangzhou Robam Appliances Co.Ltd(002508) Dalian Demaishi Precision Technology Co.Ltd(301007) all shareholders:

We have reviewed the attached Dalian Demaishi Precision Technology Co.Ltd(301007) (hereinafter referred to as Dalian Demaishi Precision Technology Co.Ltd(301007) ) special report on the deposit and use of raised funds in 2021 (hereinafter referred to as "special report on raised funds").

1、 Responsibilities of the board of directors

Dalian Demaishi Precision Technology Co.Ltd(301007) the responsibility of the board of directors is to comply with the guidelines for the supervision of listed companies No. 2 - regulatory requirements for the management and use of raised funds by listed companies (revised in 2022) of China Securities Regulatory Commission The Shenzhen Stock Exchange issued the guidelines for self discipline and supervision of listed companies of Shenzhen Stock Exchange No. 2 - standardized operation of companies listed on the gem and relevant format guidelines to prepare the special report on raised funds, and ensure that its content is true, accurate and complete without false records, misleading statements or major omissions.

2、 Responsibilities of Certified Public Accountants

Our responsibility is to give assurance opinions on the special report of Dalian Demaishi Precision Technology Co.Ltd(301007) raised funds on the basis of the implementation of assurance work. We have carried out the assurance business in accordance with the provisions of other assurance business standards for Chinese certified public accountants No. 3101 - assurance business other than audit or review of historical financial information. The standard requires us to plan and implement assurance work to obtain reasonable assurance on whether there is no material misstatement in the special report of Dalian Demaishi Precision Technology Co.Ltd(301007) raised funds.

Dahuhezi [2022] No. Hangzhou Robam Appliances Co.Ltd(002508) verification report on the deposit and use of raised funds

In the assurance process, we have implemented procedures including understanding, inquiry, inspection, recalculation and other procedures that we deem necessary. We believe that our assurance work provides a reasonable basis for expressing opinions.

3、 Assurance conclusion

We believe that the special report on Dalian Demaishi Precision Technology Co.Ltd(301007) raised funds is in accordance with the guidelines for the supervision of listed companies No. 2 - regulatory requirements for the management and use of raised funds by listed companies (revised in 2022) of China Securities Regulatory Commission in all major aspects The guidelines for self-regulation of listed companies of Shenzhen Stock Exchange No. 2 - standardized operation of companies listed on GEM and the preparation of relevant format guidelines issued by Shenzhen Stock Exchange fairly reflect the deposit and use of raised funds in Dalian Demaishi Precision Technology Co.Ltd(301007) 2021 in all major aspects.

4、 Restrictions on the users and purposes of the report

This report is only for the purpose of disclosure of Dalian Demaishi Precision Technology Co.Ltd(301007) annual report and shall not be used for any other purpose. We agree to take this report as a necessary document of Dalian Demaishi Precision Technology Co.Ltd(301007) annual report, submit it together with other documents and disclose it to the public. Dahua Certified Public Accountants (special general partnership) Chinese certified public accountant:

Chen Jing, Beijing, China Certified Public Accountant:

Meng Qi March 15, 2002

Dalian Demaishi Precision Technology Co.Ltd(301007)

Special report on the deposit and use of raised funds in 2021

The company and all members of the board of directors guarantee that the information disclosed is true, accurate and complete without false records, misleading statements or major omissions.

In accordance with the relevant provisions of the China Securities Regulatory Commission, such as the guidelines for the supervision of listed companies No. 2 - regulatory requirements for the management and use of raised funds by listed companies, and the guidelines for the self-discipline supervision of Listed Companies in Shenzhen Stock Exchange No. 2 - standardized operation of companies listed on the gem, Dalian Demaishi Precision Technology Co.Ltd(301007) (hereinafter referred to as "the company" or "the company") the board of directors prepared a special report on the deposit and actual use of raised funds in 2021.

1、 Basic information of raised funds

Registered in the reply on Approving the registration of Dalian Demaishi Precision Technology Co.Ltd(301007) initial public offering (zjxk [2021] No. 1356) issued by China Securities Regulatory Commission and approved by Shenzhen Stock Exchange, the company issued 38340000 ordinary shares (A shares) in RMB for the first time, with a par value of 1.00 yuan per share and an issue price of 5.29 yuan per share, The total amount of funds raised is RMB 20281860000, and the actual net amount of funds raised after deducting relevant issuance expenses is RMB 16702425895.

Dahua Certified Public Accountants (special general partnership) verified the availability of funds for the company's initial public offering and issued a capital verification report numbered "Dahua Yan Zi (2021) 000405".

As of December 31, 2021, the company has invested 16723099075 yuan in the raised fund projects, of which: the company invested 15735609166 yuan in the raised fund projects with its own funds in advance before the raised funds are in place; From the time the raised funds are in place to December 31, 2021, the interest income received is 20673180 yuan and the raised funds used is 987489909 yuan. As of December 31, 2021, the balance of raised funds is RMB 0.

2、 Management of raised funds

In order to regulate the management and use of raised funds, the company, in accordance with the regulatory guidelines for listed companies No. 2 - regulatory requirements for the management and use of raised funds by listed companies, the Listing Rules of GEM stocks of Shenzhen Stock Exchange, the self regulatory guidelines for listed companies of Shenzhen Stock Exchange No. 2 - standardized operation of GEM listed companies and other normative documents, The company has formulated the management system of raised funds, and according to the requirements of the system, the raised funds are stored in a special account. The company signed the tripartite supervision agreement of raised funds with the sponsor (Huachuang Securities Co., Ltd.) and relevant banks in July 2021 to perform the storage, use and information disclosure of raised funds in accordance with relevant regulations.

As of December 31, 2021, the storage of the special account for raised funds is as follows:

Monetary unit: RMB

Bank name account number initial deposit amount due date balance storage method Shanghai Pudong Development Bank Co., Ltd. 750100788013 Tianma Microelectronics Co.Ltd(000050) 405000000000 - closed company Dalian Branch

Bank name account number initial deposit amount deadline balance storage method Industrial And Commercial Bank Of China Limited(601398) 34 Zhejiang Weixing Industrial Development Co.Ltd(002003) 293 Hangzhou Zhongheng Electric Co.Ltd(002364) 475000000000 - closed account Dalian Qingniwaqiao sub branch

Agricultural Bank Of China Limited(601288) 342870010400344583500000000 - closed account Dalian Lushunkou sub branch

Industrial Bank Co.Ltd(601166) Dalian 5320 Jinneng Holding Shanxi Coal Industry Co.Ltd(601001) 001507214481860000 - closed high tech Park sub branch

Total 17981860000-

3、 Use of raised funds in 2021

See the attached table "use of raised funds" for details.

4、 Change the use of funds for investment projects with raised funds

The company does not change the raised investment project or transfer or replace the raised investment project.

5、 Problems in the use and disclosure of raised funds

The information about the use of raised funds disclosed by the company is timely, true, accurate and complete, and there are no violations in the use and management of raised funds.

Dalian Demaishi Precision Technology Co.Ltd(301007) (seal)

March 15, 2002

Schedule

Use of raised funds

Prepared by: Dalian Demaishi Precision Technology Co.Ltd(301007)

Monetary unit: RMB 10000

Total amount of raised funds 1670243 total amount of raised funds invested in this year 1672310 (including interest income)

Total amount of raised funds with changed purposes during the reporting period-

Accumulated total raised funds with changed purposes - accumulated total raised funds invested 1672310 (including interest income)

Cumulative proportion of total raised funds with changed purposes-

Whether the raised funds have been raised after adjustment, and the investment in the current year is accumulated as of the end of the period. Whether the investment projects at the end of the period have reached the expected realization in the current year. Whether the investment projects and over raised funds have reached the project feasibility commitment investment projects (including the total amount of promised investment, the total amount of capital investment, and the progress of investment amount (%) (3) Whether there is a major change in the estimated benefits of the fixed availability (1) (2) = (2) / (1)

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