We are an import-export Company and we need a b2b website, 3 languages, with following specifications:

1) easy surfing
2) clean layout
3) easy CMS module
3) db engine
4) alert generator (when product get price)
4) registration module
5) inquiry module
6) chat
7) social network supported
8) all the rest necessary things who b2b website needs!!!
9) free support for next 12 months

- Website must be "importer oriented". Surfer must find all he needs without a storm of unnecessary information, as well a tree search
- By private messages i could give some websites to keep inspiration
- before start job, i need to watch some samples (and like it!)
- Payment only end job

Many thanks in advance for proposals