Companies are also required to give government investigators complete access to their data if there is suspected wrong-doing, and Internet operators must cooperate in any national security or crime-related investigation.
Note that China has an extremely flexible definition of "national security".
Additionally computer equipment will need to undergo mandatory certification, that could involve giving up source code, encryption keys, or even proprietary intellectual data, as Microsoft has been doing for some time.
Documentation is like sex: when it is good, it is very, very good; and when it is bad, it is better than nothing. -- Dick Brandon