Need a website like alibaba.com or www.german-business-guide.com - repost

Hello I need a website like [login to view URL] I dont want a shop to sell items on it.. I want a "social" network. That means ... I want to add companies... and I want to give the users the possibility to find new business partners. Features: - every user has a own page to present their company - they can offer unlimited items - a payment system for highlight the companies on the main(front) page - video plugin (hosting on my webspace not on youtube or somewhere else) for the companies and for every products which is offered - types of seller like gold supplier should also be their - ... more on Skype Pls only serious web designer with know how.. I want a new design, it should be easy to use and it should also look professional..;)