BUSINESS REGISTRATION NUMBER
BRN 73815723

CHINA ISOTOPE COMPANY LIMITED

中福元素有限公司

Registry Verified: 2026-10-17

Jurisdiction: Hong Kong, China

CHINA ISOTOPE COMPANY LIMITED (中福元素有限公司) is a Hong Kong corporation duly incorporated under the Companies Ordinance (Cap. 622), legally classified as a Private company limited by shares. Its official Company Registration Number (CR No. / CRN) is 3130093, and Business Registration Number (BRN) is 73815723. Incorporated on 2022-02-23, the entity has maintained continuous statutory operations for 4 years and 8 months, currently holding an active legal status of Live. The registered office is situated at 15/F, HARBOUR CITY, YAU TSIM MONG DISTRICT, KOWLOON, HONG KONG. In its statutory filings, the latest Annual Return (Form NAR1) on record was filed on 2026-03-10 (annual 42-day statutory filing window: Feb 23 – Apr 06); a total of 19 statutory filings (spanning 2022–2026, latest filed on 2026-06-24) are indexed in the registry, comprising 4 Annual Return(s) (NAR1), 5 officer/secretary change notice(s) (ND2A), 2 corporate name change filing(s) (NNC2).

I. Corporate Profile & Statutory Registry Records

Official Chinese Name	中福元素有限公司	Official English Name	CHINA ISOTOPE COMPANY LIMITED
Name Evolution （2 Former Names）	2022-02-23 Founding Incorp. Name 思城交通及基建服務有限公司C CHENG TRANSPORT & INFRASTRUCTURE SERVICES LIMITED 2023-07-28 Former Name 1 思城元素有限公司CCIS Limited 2026-06-24 Current Legal Name 中福元素有限公司China Isotope Company Limited
Company Reg No. (CRN)	3130093	Business Reg No. (BRN / UBI)	73815723 HK Unique Business ID · US IRS Form W-8BEN-E Foreign TIN
Incorporation Date	2022-02-23	Company Category	Private company limited by shares
Current Legal Status	Live	Statutory Filing Cycle	2027-02-23(2026 Return Filed)

Registered Office Address	15/F, HARBOUR CITY, YAU TSIM MONG DISTRICT, KOWLOON, HONG KONGHarbour City · Tsim Sha Tsui · 208 Co-Located Entities →
Significant Controllers (SCR)	Statutorily maintained. To penetrate ultimate beneficial owners (UBO) and holding structures, please apply for a Due Diligence Report.

#	Filing Date	Document No.	Document Name	Pages	Tariff
1	2026-06-24	70005896517	ND2A Notice of Change of Company Secretary and Director (English)	3	HK$ 20
2	2026-06-24	70005896238	NNC2 Notice of Change of Company Name pursuant to Direction (English)	1	HK$ 20
3	2026-06-24	40026627702	DOC Certificate of Change of Name	1	HK$ 20
4	2026-06-11	22502605535	ND2A Notice of Change of Company Secretary and Director (English)	3	HK$ 20
5	2026-05-18	22602784284	DOC Rectification of Typographical or Clerical Error in Registered Document (English)	4	HK$ 20
6	2026-03-10	23002576830	NAR1 Annual Return (2026) (English)Latest Shareholders & Directors	12	HK$ 28
7	2025-03-06	23502235685	NAR1 Annual Return (2025) (English)	12	HK$ 28
8	2024-02-23	23601969173	NAR1 Annual Return (2024) (English)	10	HK$ 28
9	2023-12-27	SH001642387	BRN_REF Reference Document for Business Registration Number as UBI	1	HK$ 30
10	2023-12-05	23601931718	ND2A Notice of Change of Company Secretary and Director (English)	4	HK$ 20

III. Commercial Due Diligence & Regulatory Risk Screening

Cross-screened across 32 HK statutory regulators, court dockets & sanctions registers: 0 licences, 0 public litigation/HCCW records, 0 sanctions hits.

IV. Corporate Statutory Dossier & Legal Status FAQ

Has CHINA ISOTOPE COMPANY LIMITED ever changed its legal company name? What are its former registered names?

Yes. Companies Registry records show CHINA ISOTOPE COMPANY LIMITED has 2 recorded legal name change(s): [C CHENG TRANSPORT & INFRASTRUCTURE SERVICES LIMITED (思城交通及基建服務有限公司) (effective 2022-02-23)], [CCIS Limited (思城元素有限公司) (effective 2023-07-28)]. Recorded via Form NNC2 with unchanged corporate rights and obligations.