UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

NOTICE OF EFFECTIVENESS

Effective Date:June 10,
Zhong Yuan BioTechnology (QB) (USOTC:ZHYBF)
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Zhong Yuan Bio-technology Holdings Ltd News

Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Saturday 15 June 2024 (1 month ago) • Edgar (US Regulatory)
Form F-1/A - Registration statement for certain foreign private issuers: [Amend]
Monday 20 May 2024 (2 months ago) • Edgar (US Regulatory)
Form SC 13D - General statement of acquisition of beneficial ownership
Friday 8 March 2024 (5 months ago) • Edgar (US Regulatory)
Form SC 13D/A - General statement of acquisition of beneficial ownership: [Amend]
Thursday 25 January 2024 (6 months ago) • Edgar (US Regulatory)
Form SC 13D - General statement of acquisition of beneficial ownership
Thursday 25 January 2024 (6 months ago) • Edgar (US Regulatory)
Form SC 13D - General statement of acquisition of beneficial ownership
Thursday 25 January 2024 (6 months ago) • Edgar (US Regulatory)
Form SC 13D - General statement of acquisition of beneficial ownership
Thursday 25 January 2024 (6 months ago) • Edgar (US Regulatory)
Form F-1/A - Registration statement for certain foreign private issuers: [Amend]
Tuesday 14 November 2023 (8 months ago) • Edgar (US Regulatory)
Form 8-A12B - Registration of securities [Section 12(b)]
Friday 27 October 2023 (9 months ago) • Edgar (US Regulatory)
Form F-1/A - Registration statement for certain foreign private issuers: [Amend]
Saturday 7 October 2023 (10 months ago) • Edgar (US Regulatory)
Form 6-K - Report of foreign issuer [Rules 13a-16 and 15d-16]
Friday 15 September 2023 (10 months ago) • Edgar (US Regulatory)
Form F-1/A - Registration statement for certain foreign private issuers: [Amend]
Wednesday 23 August 2023 (11 months ago) • Edgar (US Regulatory)

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