CYSTECH SEMICONDUCTOR CO., LIMITED
全宇昕半導體有限公司
About this company
CYSTECH SEMICONDUCTOR CO., LIMITED is a Hong Kong private company limited by shares incorporated on March 26, 2021. It is registered with company registration (CR) number 3032753 and business registration number (BRN) 72830469. It is one of 112,563 companies incorporated in Hong Kong in 2021. The company is currently active on the Hong Kong Companies Register. It previously operated under the name TAI'AN (HK) TECHNOLOGY CO., LIMITED. Its registered office is at UNIT E01, 10/F,, WONG KING INDUSTRIAL BUILDING,, 2-4, TAI YAU STREET,, KOWLOON, HONG KONG. There are 15 documents on file with the Companies Registry dating back to 2021, most recently (E)FND4 - Notice of Resignation of Company Secretary and Director filed on July 15, 2026.
Company Information
- CR Number
- 3032753
- BRN
- 72830469
- Company Type
- Private company limited by shares
- Type Category
- Local company
Dates & Status
- Incorporation Date
- 2021-03-26
- Has Charges
- No
- Dormant
- No
Compliance & Flags
- One-member Company
- Yes 2024-03-26
Registered office
Current address
UNIT E01, 10/F,, WONG KING INDUSTRIAL BUILDING,, 2-4, TAI YAU STREET,, KOWLOON, HONG KONG
1 earlier registered-office address on file for this company. (earliest on record: 2021-03-26)
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Name History
| Name | From | To |
|---|---|---|
| 全宇昕半導體有限公司 | — | Current |
| 泰安(香港)科技有限公司 | 2021-03-26 | — |
| CYSTECH SEMICONDUCTOR CO., LIMITED | — | Current |
| TAI'AN (HK) TECHNOLOGY CO., LIMITED | 2021-03-26 | — |
Current company particulars
The Companies Registry's Company Particulars Report for this company: its current shareholders and their holdings, directors and reserve directors, company secretary, share capital, registered office and name history, as the Registry holds them. Retrieved from the Registry on your behalf and delivered to your email as one report.
Retrieved from the Companies Registry after you order, not transcribed from an old filing; the report states when it was retrieved.
Delivered to your email, usually within a few hours; a full refund if it is not delivered within 48 hours.
Current directors
The Companies Registry's Directors Index for this company: every current director and reserve director, with their capacity and passport-issuing country as the Registry lists them. Retrieved from the Registry on your behalf and delivered to your email.
Retrieved from the Companies Registry after you order, not transcribed from an old filing; the report states when it was retrieved.
Delivered to your email, usually within a few hours; a full refund if it is not delivered within 48 hours.
Company Documents
(E)FND4 - Notice of Resignation of Company Secretary and Director
2026-07-15 · Director/Secretary Change
Certificate of Change of Name
2025-10-15 · Name Change
(E)FNNC2 - Notice of Change of Company Name
2025-10-15 · Name Change
(E)FND4 - Notice of Resignation of Company Secretary and Director
2025-05-16 · Director/Secretary Change
(E)FNAR1 - Annual Return
2025-03-31 · Annual Return
(E)FNR1 - Notice of Change of Address of Registered Office
2024-07-05 · Address Change
(E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation)
2024-06-28 · Director/Secretary Change
(E)FNR1 - Notice of Change of Address of Registered Office
2024-06-28 · Address Change
(E)FNAR1 - Annual Return
2024-03-27 · Annual Return
Information Sheet regarding Using Business Registration Number as Unique Business Identifier
2023-12-27 · Other
(E)FNAR1 - Annual Return
2023-03-27 · Annual Return
(E)FNAR1 - Annual Return
2022-04-18 · Annual Return
Certificate of Incorporation
2021-03-26 · Incorporation
(E)FNNC1 - Incorporation Form (Company Limited by Shares)
2021-03-26 · Share Related
(E)Articles of Association
2021-03-26 · Memorandum & Articles
| Document | Type | Filing Date | Order |
|---|---|---|---|
| (E)FND4 - Notice of Resignation of Company Secretary and Director | Director/Secretary Change | 2026-07-15 | |
| Certificate of Change of Name | Name Change | 2025-10-15 | |
| (E)FNNC2 - Notice of Change of Company Name | Name Change | 2025-10-15 | |
| (E)FND4 - Notice of Resignation of Company Secretary and Director | Director/Secretary Change | 2025-05-16 | |
| (E)FNAR1 - Annual Return | Annual Return | 2025-03-31 | |
| (E)FNR1 - Notice of Change of Address of Registered Office | Address Change | 2024-07-05 | |
| (E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation) | Director/Secretary Change | 2024-06-28 | |
| (E)FNR1 - Notice of Change of Address of Registered Office | Address Change | 2024-06-28 | |
| (E)FNAR1 - Annual Return | Annual Return | 2024-03-27 | |
| Information Sheet regarding Using Business Registration Number as Unique Business Identifier | Other | 2023-12-27 | |
| (E)FNAR1 - Annual Return | Annual Return | 2023-03-27 | |
| (E)FNAR1 - Annual Return | Annual Return | 2022-04-18 | |
| Certificate of Incorporation | Incorporation | 2021-03-26 | |
| (E)FNNC1 - Incorporation Form (Company Limited by Shares) | Share Related | 2021-03-26 | |
| (E)Articles of Association | Memorandum & Articles | 2021-03-26 |
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Frequently asked questions
When was CYSTECH SEMICONDUCTOR CO., LIMITED incorporated?
CYSTECH SEMICONDUCTOR CO., LIMITED was incorporated in Hong Kong on March 26, 2021.
Is CYSTECH SEMICONDUCTOR CO., LIMITED still active?
Yes. CYSTECH SEMICONDUCTOR CO., LIMITED is currently active on the Hong Kong Companies Register.
What are CYSTECH SEMICONDUCTOR CO., LIMITED's CR number and BRN?
CYSTECH SEMICONDUCTOR CO., LIMITED's company registration (CR) number is 3032753 and its business registration number (BRN) is 72830469.
Where is CYSTECH SEMICONDUCTOR CO., LIMITED's registered office?
CYSTECH SEMICONDUCTOR CO., LIMITED's registered office is at UNIT E01, 10/F,, WONG KING INDUSTRIAL BUILDING,, 2-4, TAI YAU STREET,, KOWLOON, HONG KONG.
What type of company is CYSTECH SEMICONDUCTOR CO., LIMITED?
CYSTECH SEMICONDUCTOR CO., LIMITED is a private company limited by shares on the Hong Kong Companies Registry.
How many documents has CYSTECH SEMICONDUCTOR CO., LIMITED filed?
CYSTECH SEMICONDUCTOR CO., LIMITED has 15 documents on file with the Hong Kong Companies Registry, dating back to 2021.
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