1680D spandex yarn AA grade,Top quality Clear and semi-dull From ... 2012, the annual production capacity is 15,000MT of spandex yarn. The commercial line of 8,000MT of more excellent ... is under construction and is expected to run in march 2013. Sunrise ® spandex yarn 1680 Denier• Clear type, semi dull type• ... strength• Application: covering, Warp Knit, diaper, belt AA grade spandex yarn 1680D for belt