The Intercept contacted nine of the most prominent such firms, from Facebook to Booz Allen Hamilton, to ask if they would sell their services to help create a national Muslim registry, an idea recently resurfaced by Donald Trump’s transition team. Only Twitter said no.
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.
A transistor protected by a fast-acting fuse will protect the fuse by blowing first.