In Beijing, where to buy authentic branded items coming straight out of the factories, Late night shopping markets and lime?

hi there,

I've just relocated to Beijing two months ago and so far, there have been 3 things I've yet to locate:-

1. Places selling authentic branded items (Made in China) which come straight out of the factories- be it because of defects, low quality, not up to exact standard specification etc. I've run into these items (a Prada suit once) from time to time at shops around Wudaokou but is there a place, like an outlet, selling these items specifically??

2. Late Night Shopping Markets/ Areas (Not just food like Wangfujing) There used to be a small area just around the corner near Wudaokou subway station, but the entire pavements have been under refurbishment. Where have the stall sellers gone to?

3. Lime!!

Please let me know!!!