No no no, most of those cheap e-bay and alibaba, etc do not in any way shape or form go through a USA federal standard safety certification just as the cheap china direct helmets do not either.

There has been too many times a Chinese product caught fire, like those cheap rechargeable headlights, that burned down houses, even stuff that was made by China and sent to be sold in America have had major issues, remember the bad dog food that killed dogs across America? But you still don't see any of that, nor do you see the fact that you have no recourse if a product liability case should arise out of the use of a flawed product made in China. This stuff is all over the internet, Chinese ginseng killing people in Africa; this sort of thing isn't rare either, just google it and find out for yourself. Here's one site with some infor: Are Chinese Products Slowly Killing Us?

And since you insist that all Chinese products are made the same whether they say Trek or nothing, then maybe you should read this: Not all frames are created equal. A look deep inside the carbon in counterfeit bikes | VeloNews.com

And this: Dangers of fake bike parts highlighted by BBC documentary - Cycling Weekly

Like I said over and over, you buy whatever you want from wherever you want, me personally I would never buy direct from China.