Data entry virtuemart joomla

Project consist in insert article in our new webstore. Our structure is joomla+virtuemart We have all article in pdf or excel table contains code, name, retail price. Second step is catch the italian description from our documentation (pdf or html) or find it on Italian website. Descriptoion has to be in html format and using similar structure each other, we don't want only copy and paste. Each product has to be connect to relative accessories using virtuemart philosophy. There are more or less 1200 product to insert