This article gives step by step instructions for importing any product.
If you try to import all of a products' components at one time, you will notice problems with the product such as selection lists that were imported but are not linked correctly to a variable. The below steps should eliminate all issues with product imports.
Since this import has the ability to override existing products, parts, variables, etc…, always make a backup of your database before importing any products into it.
Contributor: LoriM, Cyrious Software
Date: 07/19/2010
Version: Control 4.0+