Add production information on Amazon Flat File and create variation - parent and children relationship

We need to put a variation of different colors into our product. However this require us to put the important details on an excel sheet and submit to amazon Need a Person who can create feeds for products for Amazon Seller Central. We will provide the images and material and all the essential information. The person will need to put it in the excel format for Amazon. You need to have experience in creating listings for multi variation format. Only will be paid if amazon approval the child parent relationship. There are two catagories of product we need to make a variation for. MUST HAVE DONE THIS BEFORE. IT ISNT EASY! A link on how to this [login to view URL]