Build a Website for Product Showcase with CMS

We require a website to be developed preferably with Yii (we can accept Drupal or Wordpress too) with CMS functionality, responsive design, user login, product search and show case, search etc. This project is deliverable by 2nd September 2014. Design attached. SCOPE Develop and test a working website with backend CMS functionality: 1. User Maintainable Menu 2. Special Product Menu drop down as per picture allowing admin to add product categories and associated picture and link 3. About Us section which we can add team members, team department, company profile, certifications etc 4. Download section which we can add PDF files for download (must track download counts and separated into Catalogue or Manual) 5. Contact Us section where we can add different contact department and locations 6. News section which we can add additional news and attach photos (and properly laid out if we have more than just the main picture) 7. Product section with category navigation, listing and search 8. Each product detailed view should have 2 formats (single photo or multiple photos as thumbnails) 9. User editable detailed view for Standard Size, Options, Downloads, Size and Information as per photos 10. User can select which other products are related ([login to view URL]) 11. User can select additional certifications/option images ([login to view URL] and [login to view URL] on right hand side) 12. Search functionality 13. Image light board functionality ([login to view URL]) 14. Social media links 15. Mulitlanguage support (English and Chinese), we will do the content translations ourselves 16. All graphics can be provided by us. 17. Design and layout already provided see attached. FURTHER BACKGROUND -For the right developer this will turn into a stable long term partnership with further modular work -IP and copyrights will be unconditionally assigned to us -Freelancer must be communicative and contactable via email and Skype -You will need to deploy and setup a test environment for us so we can track and give feedback on progress on a daily basis. PAYMENT: -Milestone payments will be created on progress. -Contract must be signed in order for project to be regarded as completed. -Release of payments only on completion of project, not for achieving milestones -Full payment will be released to you within 48 hours after the project is satisfied, approved and contract signed. To bid please add the word "sunshine" to your bid, so I know you've read the deadline and requirements.