> My understanding is that 'nen' means fresh, tender (which is a good
> quality for tea as for vegetables). In ruanzi (luanzi) Oolong, it's
> merely a name that uses to soft stems of that kind of Oolong tree to
> give a name to that kind of Oolong (the one mostly used in high
> mountain Oolong).
>
> Stéphane

Many people also use "nen" to describe the leaf quality. The more
tender, or "nen", the leaves are, usually the better the quality. You
can get some mainland, cheap TGYs and notice that the leaves are hard
from either chemical additives or poor drying/cooking processing.