Starting tomorrow, links for the China Online Journals will all point to the WanFang Data Periodicals search page. This will mean the journal title will have to be searched a second time from there, but at least the links will work.
Apologies for the extra step, but it is a work-around that works, as opposed to the current links which do not.
You may also want to bookmark this Advanced Search Page as it could make finding articles (when you have the citation) easier to find than searching just the journal title or browsing.