While I haven't had a problem with any individual Chinese, I have seen multiple companies involved in business dealings with China find out that after sharing their technology they were getting nothing out of the deal. And obviously when you buy any food, drug, cosmetic, chemical, etc. from China, you can't be sure what you are getting without rigorous testing.
So it's caveat emptor pretty much everywhere. I don't doubt that deceit is part of Arab culture. But I'm not sure one can say that this is a unique feature.
......The claim was that the ability to put one over the other party in a business transaction is a universally accepted, expected, and even admired part of Chinese culture......
And Korean as well