So, I have a client that says one of their employees can't pull up the site in China. At first, I thought it was due to the "Great Firewall of China" ... so I checked this site: It said that our site was NOT blocked over there.

I thought that if the government was not blocking the site, then maybe it was the service provider over there (however unlikely).

Can anyone tell me what other reasons could be causing this person issues? And any possible ways to fix it?

The site is