Saurik did know about the Chinese company and tried to warn Evad3rs about piracy, but I read that Evad3rs thought that the app had nothing to do with piracy. [1]
[1] "In our agreement with Taig, we contractually bind them to not have piracy in their store. This was an extremely important precondition of working with them." http://evasi0n.com/l.html