What is the difference between servers in Hong Kong and servers in mainland China?

Hong Kong servers do not require ICP filing and allow direct access to international networks. With direct connectivity to mainland China via the CN2 GIA network, latency is as low as 10 ms, making them ideal for website development, cross-border e-commerce, and application deployment targeting global users. Mainland China servers require ICP filing; while they offer fast access speeds within China, they cannot access certain international resources.