Is there any basic requirement on incorporation of limited company?

Yes. The requirement is listed as below:

1. Authorized Capital: No maximum but at least 1 share of any value. Ready-made company has a standard authorized capital of HK$10,000 divided into 10,000 shares of HK$1.00 each.
2. No. of Shareholders: At least 1 shareholder above 18 years old but not more than 50 persons.
3. No. of Directors: At least 1 director above 18 years old.
4. Company Secretary: Company Secretary must be a Hong Kong resident or a Hong Kong limited company.
5. Registered Office: It must be a Hong Kong address (commercial or residential), Post Office Box number is not accepted.