B2B alibaba ecplaza.net clone

I want an [login to view URL] / [login to view URL] clone. I think there are several projects similar to this. So I dont need to elaborate so much but it should be as comprehensive as softbizsolutions.com. no less. I copied this from someother project but it should be same requirements: 1. Look and feel similar to Alibaba. 2. Powerful Searching & Browsing Capabilities 3. Personal Messaging System, supervised by Admin 4. News post & management 5. Forum Integrated 6. Email Alert Notification 7. Category management 8. Banner Ads Management 9. User Registration & Controls 10. Multi-Lingual ability 11. Search engine optimization 12. Modular design (Ability to add and remove modules without causing other modules to stop working) 13. Easy installation 14. Easy upgrade, remove and new modules implementation Should be done in PHP and MySQL. Please send me a demo. Previous customer site is very much appreciated. Maximum bid is 500. Thanks.