Yes Jan, Zhuhai will be hosting a round or the FIM endurance series in 2004.
It will be a 6 hour race (that brings back a few memories for you Sydney people) and it is on from Apr 30 to May 2.
Zhuhai is in the south of Guangdong province and is near to Macau and Hong Kong. Here is a web site about the race:
<A HREF="http://www.zhuhai.gov.cn/363384194933456896/20030714/1037056.html">http://www.zhuhai.gov.cn/363384194933456896/20030714/1037056.html</A>

You could fit this into your plans and visit it on the way to the TT next year Jan!