Beijing Bayi Space Lcd Technology Co.Ltd(688181) : verification report of Grant Thornton Certified Public Accountants (special general partnership) on the deposit and use of raised funds in Beijing Bayi Space Lcd Technology Co.Ltd(688181) 2021

Beijing Institute of Certified Public Accountants

Business report unified coding reporting system

Unified code of business reporting: 11010156202282 Keysino Separation Technology Inc(300899) 2

Name of Beijing Bayi Space Lcd Technology Co.Ltd(688181) report: assurance report on the deposit and use of raised funds in 2021

Report No.: ztzz (2022) No. 110a007245

Name of audited (inspected) unit: Beijing Bayi Space Lcd Technology Co.Ltd(688181)

Name of accounting firm: Zhitong accounting firm (special general partnership)

Business type: special audit

Report date: April 19, 2022

Filing date: April 18, 2022

Fu Yu (110001610092),

Signed by:

Xu Xixi (110101560645)

(information can be queried by scanning QR code or logging into the official website of Beijing injection Association)

Note: this filing information only proves that the report has been filed with the Beijing Institute of certified public accountants, and does not mean that the Beijing Institute of Certified Public Accountants makes any form of guarantee for the content of the report in any sense.

Assurance report on the deposit and use of raised funds in Beijing Bayi Space Lcd Technology Co.Ltd(688181) 2021

Zhitong Certified Public Accountants (special general partnership)

catalogue

Assurance report on the deposit and use of raised funds in Beijing Bayi Space Lcd Technology Co.Ltd(688181) 2021

Beijing Bayi Space Lcd Technology Co.Ltd(688181) 2021 special report on deposit and use of raised funds 1-13

Zhitong Certified Public Accountants (special general partnership), 5th floor, set square, No. 22, Jianguomenwai street, Chaoyang District, Beijing, China, 100004

Tel. + 86 1085665588

Fax + 86 1085665120

www.grantthornton. cn.

About Beijing Bayi Space Lcd Technology Co.Ltd(688181)

Deposit and use of raised funds in 2021

Assurance Report

Zhi Tong Zhi Zi (2022) No. 110a007245 Beijing Bayi Space Lcd Technology Co.Ltd(688181) all shareholders:

We are entrusted to carry out reasonable assurance on the attached Beijing Bayi Space Lcd Technology Co.Ltd(688181) (hereinafter referred to as Beijing Bayi Space Lcd Technology Co.Ltd(688181) company) special report on the deposit and use of raised funds in 2021 (hereinafter referred to as “special report”).

It is the responsibility of the board of directors of Beijing Bayi Space Lcd Technology Co.Ltd(688181) company to prepare the 2021 special report in accordance with the requirements of self regulatory guidelines for companies listed on the science and Innovation Board of Shanghai Stock Exchange No. 1 – standardized operation, and ensure that its contents are true, accurate and complete without false records, misleading statements or major omissions, Our responsibility is to give assurance opinions on the 2021 special report prepared by the board of directors of Beijing Bayi Space Lcd Technology Co.Ltd(688181) company based on the implementation of assurance work.

We plan and implement the assurance work 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, so as to obtain reasonable assurance about whether there is no material misstatement in the 2021 special report. In the assurance work, we have implemented the necessary procedures including understanding, inquiry, spot check, verification and so on in combination with the actual situation of Beijing Bayi Space Lcd Technology Co.Ltd(688181) company. We believe that our assurance work provides a reasonable basis for issuing assurance opinions.

After review, we believe that the 2021 special report prepared by the board of directors of Beijing Bayi Space Lcd Technology Co.Ltd(688181) company complies with the relevant provisions of the guidelines for self discipline supervision of companies listed on the science and Innovation Board of Shanghai Stock Exchange No. 1 – standardized operation and the relevant format guidelines, and truthfully reflects the deposit and actual use of the raised funds of Beijing Bayi Space Lcd Technology Co.Ltd(688181) company in 2021 in all major aspects.

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