We spec it, they bid it and then they build it to maximize their profit, ie substandard metallurgy, loose tolerances, higher speed machining for substandard surface finish,crappy anodizing, etc.. IF the QC is there on our end (buyer does random lot testing) then no problem. Seen vids of a pallet of Chinese bricks that turned out to be compressed fired manure painted orange. They will rip you off, its their business nature. Ask anyone that has dealt with China or Indian manufacturing. This quote came from a Chinese expatriot.