I don't think @pauliunas meant that being chinese, as an example, guarantees that one is only able to make bad products with poor quality.
However having visited in China many times I can tell you that it really does seem they (generalizing here) do have a totally different understanding of quality standards - and no understanding of Western quality standards. Its like they know what the word means but apply it in only a very narrow field of what quality really consists of - in our understanding.
We've had to explain our thirst for quality to them in words of one syllable pretty much each time. These concepts just somehow don't exist in their culture.
That being said, they do produce exactly as agreed. And of course are capable of making quality products same as everybody else. Often times bad quality is to blame on the one who purchases (the brand) since their definition of quality standard is lacking.
As one ex VP of Nokia Supply Chain, who has been mentoring us told me:
"I've never had better quality from any of my factories around the world than Asia, not even once". So its all about how you specify, agree and define the quality as the objective.