On 2009-06-29 13:24 CST, Curious Kid wrote: [...] >> I finally got a plausible answer a few days ago. >> > > Can you tell us how you came upon this information? I would be very interested to know. Someone hinted in a local forum that those "tbreg"s are related with Taobao. So I googled and found out what I've described. That's it. Hanru