Developer needded to add product processing feauture in My project

I have a desktop based app Made in c# deve Sexpress and winforms with SQL server. It's a retail sales management. ( Sales, purchases, stock, banks) . I need to add the product processing feauture for a client. Need to add this module to handle stock and costs. Must use devexpress and devexpress reports.
It Will be better if You have experience in meat processing or something like this kind of business.