It's time for a clear out. When I was in Shanghai there was a credible one i used to use when I wanted to donate things.

Thanks.

www.gokunming.com/en/forums/thread/4657/donating_clothes_where

www.gokunming.com/en/forums/thread/3677/donating_clothes

Neither thread is conclusive, but both have useful leads. Good luck. (Please note the search box - in the top left of every page.)

Yeah, sorry about that, also just noticed pretty much the exact same thread around 9 posts down...

*hands self-observation award*