CO2 B2B website development

I need to develop a B2B database driven website that is a simple, fast loading easy to use yet still dynamic. This site will be used for apparel trim and accesories The site will consist of: Website (7 global pages) Online systems consisting of the following modules: Product Catalogue Product development including art or product scans, details, quotes, history, communications review (similar to the PM of this site) Ordering / Pro Forma Invoicing / Discounts / Final Invoicing. Note that some of the items ordered will contain variable data and the system should be able to take existing approved designs and allow the input of data in selected locations and develop a layout that can be approved online - that means that fonts, font sizes etc need to be taken into consideratiion. In some cases the items will have hard data, no changes allowed in those areas and variable data - all can be changed as long as it follows approved layouts) Account review / Status Affiliate / Referral Order / Shipping / Invoice History All Modules need to have search functions and be able to imported / exported to excel. All Modules will need to have auto email capability at set steps The site would be accessed via password with at least 5 different levels of acccess. and 2 different Admin levels. The Admin or CMS should be relatively simple and very flexible. The site should be SEO Finally - it should be designed so that future changes can be easily adapted - notably: Quickbooks integration Mobile applications. Please advise your best bidand screen shots or access to demo sites so I can see the Admin or back end systems of other sites you have developed. Those bidders that show the skills or site demos that appear to work for what I need will be sent further site architechture for review. Iam not looking for a retail shopping cart, but a B2B ordering system. Please advise of any questions. I will be looking for 30 to 45 days for 80% completion.