ECommerce Web Development with with products import from mySQL

We require the secure e-commerce website preferably in OpenCart with the following functionalities along with other e-commerce requirements;
1. Quotation Module with custom PDF template and ability to create Quote from admin.
2. Catalog builder. PDF catalog creation on the category or product page based on an available template, product image, description, and specifications.
3. Global Shipping cost calculation by Courier/Air/Sea based on country, product type, and weight
4. Multi Tab in categories, sub-categories, and product Pages with additional tabs.
5. Integration with Zoho CRM for inquiries, quotations, orders, and products/inventory
6. Dynamic email acknowledgment with custom Email template with PDF order and quote attachment
7. Accessories flag with an option to show accessories in Tabs for each product. Flagged accessories will pop up with mandatory and optional accessories selections for the linked product.
8. Product Filters and Product Comparison based on specified attributes
9. Special prices for distributors and corporate customers for logged-in account
10. Category and Product Export/Import option using excel without any HTML/XML or any other tags.
It requires data transfer from existing website from the mySQL database for products related data and quotations.