I bet the produce wasn't so cheap at first. Economies of scale had to get wrung out over decades. This is where the "China" in Chinatown becomes important, the

I bet the produce wasn't so cheap at first. Economies of scale had to get wrung out over decades. This is where the "China" in Chinatown becomes important, the Chinese really value the sort of long-term thinking that makes this kind of endeavor profitable.