When thinking of the Asia Pacific nations that are already major garment producers, and likely to become even more so in the not too distant future, Vietnam is not the country that immediately springs to mind.  But maybe it should. For although not a large scale direct exporter, 60 per cent of the clothing currently coming from Vietnam reaches the outside world via the quota free markets of Hong Kong, Taiwan, Japan or South Korea. And experts already assess the value of such sales as in excess of US$7bn a year.