Mainsci Technology Limited
瑞龍電子有限公司
About this company
Mainsci Technology Limited is a Hong Kong private company limited by shares incorporated on November 8, 2010. It is registered with company registration (CR) number 1525347 and business registration number (BRN) 53242352. It is one of 140,298 companies incorporated in Hong Kong in 2010. The company is currently active on the Hong Kong Companies Register. It previously operated under the name RYRON ELECTRONICS LIMITED until April 18, 2024. Its registered office is at RM4, 16/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONGKOK KLN HONG KONG. There are 27 documents on file with the Companies Registry dating back to 2010, most recently (E)FNAR1 - Annual Return filed on November 17, 2025.
Company Information
- CR Number
- 1525347
- BRN
- 53242352
- Company Type
- Private company limited by shares
- Type Category
- Local company
Dates & Status
- Incorporation Date
- 2010-11-08
- Has Charges
- No
- Dormant
- No
Compliance & Flags
- One-member Company
- Yes 2023-11-08
Registered office
Current address
RM4, 16/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONGKOK KLN HONG KONG
1 earlier registered-office address on file for this company. (earliest on record: 2018-11-08)
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Name History
| Name | From | To |
|---|---|---|
| 瑞龍電子有限公司 | 2010-11-08 | Current |
| Mainsci Technology Limited | 2024-04-18 | Current |
| RYRON ELECTRONICS LIMITED | 2010-11-08 | 2024-04-18 |
Company Documents
(E)FNAR1 - Annual Return
2025-11-17 · Annual Return
(E)FNR1 - Notice of Change of Address of Registered Office
2024-11-22 · Address Change
(E)FNAR1 - Annual Return
2024-11-22 · Annual Return
(E)FNNC2 - Notice of Change of Company Name
2024-04-18 · Name Change
Certificate of Change of Name
2024-04-18 · Name Change
Information Sheet regarding Using Business Registration Number as Unique Business Identifier
2023-12-27 · Other
(E)FNAR1 - Annual Return
2023-11-17 · Annual Return
(E)FNAR1 - Annual Return
2022-11-09 · Annual Return
(E)FNAR1 - Annual Return
2021-11-12 · Annual Return
(E)FNAR1 - Annual Return
2020-11-16 · Annual Return
(E)FNAR1 - Annual Return
2019-11-14 · Annual Return
(E)FND4 - Notice of Resignation of Company Secretary and Director
2019-11-12 · Director/Secretary Change
(E)FNAR1 - Annual Return
2018-11-12 · Annual Return
(E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation)
2018-11-12 · Director/Secretary Change
(E)FNR1 - Notice of Change of Address of Registered Office
2018-11-12 · Address Change
(E)FNAR1 - Annual Return
2017-11-13 · Annual Return
(E)FNAR1 - Annual Return
2016-11-16 · Annual Return
(E)FNAR1 - Annual Return
2015-11-09 · Annual Return
(E)FNAR1 - Annual Return
2014-12-01 · Annual Return
(E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation)
2014-12-01 · Director/Secretary Change
| Document | Type | Filing Date | Order |
|---|---|---|---|
| (E)FNAR1 - Annual Return | Annual Return | 2025-11-17 | |
| (E)FNR1 - Notice of Change of Address of Registered Office | Address Change | 2024-11-22 | |
| (E)FNAR1 - Annual Return | Annual Return | 2024-11-22 | |
| (E)FNNC2 - Notice of Change of Company Name | Name Change | 2024-04-18 | |
| Certificate of Change of Name | Name Change | 2024-04-18 | |
| Information Sheet regarding Using Business Registration Number as Unique Business Identifier | Other | 2023-12-27 | |
| (E)FNAR1 - Annual Return | Annual Return | 2023-11-17 | |
| (E)FNAR1 - Annual Return | Annual Return | 2022-11-09 | |
| (E)FNAR1 - Annual Return | Annual Return | 2021-11-12 | |
| (E)FNAR1 - Annual Return | Annual Return | 2020-11-16 | |
| (E)FNAR1 - Annual Return | Annual Return | 2019-11-14 | |
| (E)FND4 - Notice of Resignation of Company Secretary and Director | Director/Secretary Change | 2019-11-12 | |
| (E)FNAR1 - Annual Return | Annual Return | 2018-11-12 | |
| (E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation) | Director/Secretary Change | 2018-11-12 | |
| (E)FNR1 - Notice of Change of Address of Registered Office | Address Change | 2018-11-12 | |
| (E)FNAR1 - Annual Return | Annual Return | 2017-11-13 | |
| (E)FNAR1 - Annual Return | Annual Return | 2016-11-16 | |
| (E)FNAR1 - Annual Return | Annual Return | 2015-11-09 | |
| (E)FNAR1 - Annual Return | Annual Return | 2014-12-01 | |
| (E)FND2A - Notice of Change of Company Secretary and Director (Appointment/Cessation) | Director/Secretary Change | 2014-12-01 |
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Frequently asked questions
When was Mainsci Technology Limited incorporated?
Mainsci Technology Limited was incorporated in Hong Kong on November 8, 2010.
Is Mainsci Technology Limited still active?
Yes. Mainsci Technology Limited is currently active on the Hong Kong Companies Register.
What are Mainsci Technology Limited's CR number and BRN?
Mainsci Technology Limited's company registration (CR) number is 1525347 and its business registration number (BRN) is 53242352.
Where is Mainsci Technology Limited's registered office?
Mainsci Technology Limited's registered office is at RM4, 16/F, HO KING COMM CTR, 2-16 FAYUEN ST, MONGKOK KLN HONG KONG.
What type of company is Mainsci Technology Limited?
Mainsci Technology Limited is a private company limited by shares on the Hong Kong Companies Registry.
How many documents has Mainsci Technology Limited filed?
Mainsci Technology Limited has 27 documents on file with the Hong Kong Companies Registry, dating back to 2010.
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