Data entry; product listings; photos into OpenCart store

Online superstore for police, fire, and EMS equipment has added two more major vendors and we need help getting their product lines on our site so people can start buying. The project at hand requires copying pricing data, manufacturer descriptions, and product photos into our OpenCart store. Experience with OpenCart is a MUST. We have about 250 products to enter, most of them are emergency lighting products which require adding numerous options with pricing based on options selected and manufacturer specs. For Example: One lightbar will be a product, but there will be an option for length, color selections, mounting brackets, harness length, etc. Opencart uses SQL for product database, and product images are stored on our server and referenced by OpenCart. We will provide everything to you that you need, we just need the data put into our site. If you can figure out a way to do it automatically, awesome. If it has to be done manually, that's fine too. We just want it done so we can expand our business. It isn't rocket science... it's data entry. We simply don't have the time to manage day to day operations and do this work simultaneously. Let us know what you can bring to the table and hopefully you'll be the right fit for our company. Thank you for your interest.