You establish your company in China and your miners are late, they break, you don't honor your warranty, good luck for people trying to sue you. If you are based in the US and your miner comes out in a different shade of silver, you get your ass sued to hell.
Exactly this is what bothers me the most - idea of giving hundreds of $$ to someone far far away in a country with no customer protection whatsoever. Also, when it comes to more expensive stuff, i sure as hell would not buy (for instance) Chinese car over US or Euro one.
this is what we said about Japanese cars back in the 70-80's. I said the same thing about Korean cars in the 90s and now they're everywhere!