that. Hong Kong domain name is the domain name of Hong Kong Special Administrative Region of China, which has a powerful and unique identification function. As a global financial center, a port connecting Greater China and the world, and a pearl of the world economy, Hong Kong domain names are the domain names chosen by almost all Hong Kong enterprises.

1. Only English letters (a-z, case insensitive), numbers (0-9),

And '-' (the connection number in English, that is, the middle horizontal line), spaces and special characters (such as! $, and so on)

2. -- cannot be used as the beginning and end.

3. The length cannot exceed 63 characters.

4. The registration period can be 1, 2, 3 or 5 years; However, the validity period can be extended to 10 years by renewal.