FORM OF PROXY FOR USE AT THE EXTRAORDINARY GENERAL MEETING TO BE HELD AT 10:00 A.M. ON THURSDAY, 8 APRIL 2021 (OR ANY ADJOURNMENT THEREOF)

(Incorporated in the Cayman Islands with limited liability)

(Stock Code: 1372)

FORM OF PROXY FOR USE AT THE EXTRAORDINARY GENERAL MEETING

TO BE HELD AT 10:00 A.M. ON THURSDAY, 8 APRIL 2021

(OR ANY ADJOURNMENT THEREOF)

I/We(note 1)

of being the registered holder(s) of(note 2) shares of HK$0.01 each in the share capital of Bisu Technology Group International Limited (the "Company"), HEREBY APPOINT THE CHAIRMAN OF THE MEETING ,or (note 3)

of as my/our proxy to attend the extraordinary general meeting (or any adjournment thereof) of the Company (the "Meeting") to be held on Thursday, 8 April 2021 at 10:00 a.m. at Room 1703-1704, World-Wide House, 19 Des Voeux Road Central, Central, Hong Kong and vote for me/us and on my/our behalf in respect of the following resolution as indicated below.

Special Resolution

For(note 4)

Against(note 4)

"THAT subject to and conditional upon the approval of the Registrar of Companies of the Cayman Islands, the English name of the Company be changed from "Bisu Technology Group International Limited" to "China Carbon Neutral Development Group Limited", and the Chinese name of "ʕ਷၁ʕձ೯࢝ණྠϞࠢʮ̡" be adopted as the dual foreign name of the Company to replace its existing Chinese name of "ˢ஺߅Ҧණྠ਷ყϞࠢʮ̡" (the "Proposed Change of Company Name") with effect from the date of entry of the new English name and the dual foreign name of the Company on the Register of Companies maintained by the Registrar of Companies of the Cayman Islands, and that any one or more of the directors or the secretary of the Company be and is/are hereby authorised to do all such acts and things and execute all such documents as he/she/they may consider necessary, desirable or expedient for the purpose of or in connection with, the implementation of and giving effect to the Proposed Change of Company Name and to attend to any necessary registration and/or filing for and on behalf of the Company."

Dated:
Notes:
1.	Please insert full names and addresses in BLOCK CAPITALS.
2.	Please insert the number of ordinary shares of HK$0.01 each in the capital of the Company registered in your name(s). If no number is inserted,
this proxy form will be deemed to relate to all the shares in the Company registered in your name(s).
3.	If any proxy other than the Chairman of the Meeting is preferred, strike out "THE CHAIRMAN OF THE MEETING, or" and insert the name and
address of the proxy desired in the space provided.
4.	Please indicate with " " in the spaces opposite to the resolution how you wish the proxy to vote on your behalf. In the absence of any such indication
the proxy may vote for or against the resolution or may abstain at his discretion. Your proxy will also be entitled to vote at his discretion on the
resolution properly put to the Meeting other than those referred to in the notice convening the Meeting. Shares abstained (if any) will not be counted
in the calculation of the required majority.
5.	You are requested to lodge this form, together with the power of attorney (if any) or other authority (if any) under which it is signed or a notarially
certified copy thereof, at the Company's branch share registrar and transfer office in Hong Kong, Tricor Investor Services Limited at Level 54,
Hopewell Centre, 183 Queen's Road East, Hong Kong as soon as possible and in any event not later than 48 hours in advance of the time fixed for
the Meeting (i.e. on or before 10:00 a.m. on Tuesday, 6 April 2021) or any adjournment thereof.
6.	In the case of joint holders, the vote of the senior who tenders a vote, whether in person or by proxy, will be accepted to the exclusion of the votes
of the other joint holder(s), and for this purpose seniority will be determined by the order in which the names stand in the register of members.
7.	This proxy form must be signed by you or your attorney duly authorised in writing or, in the case of a corporation, must be either under its common
seal or under the hand of any officer or attorney or other person duly authorised. A proxy need not be a shareholder of the Company.
8.	Any alterations made to this proxy form must be initialed by the person who signs it.
9.	Completion and return of this proxy form will not preclude you from attending and voting in person at the Meeting (or any adjournment thereof)
if you wish to do so.

Signature(note 7):

PERSONAL INFORMATION COLLECTION STATEMENT

Your supply of your and your proxy's (or proxies') name(s) and address(es) is on a voluntary basis for the purpose of processing your request for the appointment of a proxy (or proxies) and your voting instructions for the Meeting of the Company (the "Purposes"). We may transfer your and your proxy's (or proxies') name(s) and address(es) to our agent, contractor, or third party service provider who provides administrative, computer and other services to us for use in connection with the Purposes and to such parties who are authorized by law to request the information or are otherwise relevant for the Purposes and need to receive the information. Your and your proxy's (or proxies') name(s) and address(es) will be retained for such period as may be necessary to fulfil the Purposes. Request for access to and/or correction of the relevant personal data can be made in accordance with the provisions of the Personal Data (Privacy) Ordinance and any such request should be in writing by mail to the Company/Tricor Investor Services Limited at the above address.