Wordpress Ecommerce Store for Business

General information for the website: Electrical Goods
Kind of development: New website from scratch
Description of requirements/features: Easy to use Shopping Cart System (Magento, Bespoke, etc.)
-Amazon and Ebay store add ones
-Unlimited products and categories
-Easy to maintain and upload new products
-PayPal payment integration/multiple payment options
-Homepage Slideshow
-Search Engine
-SEO Friendly Design (Google, Bing, Yahoo)
-SEO for all pages
-Responsive Web Design
-Database system allowing me to collect the data of my customers
-FREE 30 day support after completion
-Multiple flexible shipping options configurations
-Design Facebook, Twitter, Pintrest pages
-Social media integration for Blogs,Twitter,Facebook, Pintrest
-Downloadable Products
-PCI Compliant
CMS and Admin requirements: -CMS system for page and product editing
-Full administration via back office web based control panel
-Backend Administration Panel
Payment methods: Credit Card, Paypal
Extra notes: