Like a Canadian oil organization can pay huge speaking fees to an American politician and then start getting favorable treatment in the USA. But if an American oil organization started paying huge speaking fees to a Canadian politician and then start getting favorable treatment in Canada, they would probably have a winnable FCPA liability against them.
Either that or the american politician makes sure the law doesn't get enforced in that case.
So in corrupt government X, you make a special western investment tax. The funds of that tax goes to a special fund used for development projects. Those development projects have to go through a convoluted procurement process, which co-incidentally only gets approved with a few politician's organizations. Those organizations then go on those make-work projects, and siphon off a lot of funds and never get them done. The make work projects also help them get re-elected because they create 'jobs'.
Foreigners really shouldn't be starting businesses in China, the rules (or lack of them) are just not in your favor.