With the Haarlemsewinkels app you can easily upload your products and forward them to Haarlemsewinkels.nl. You provide your store details, your store category(ies) and use the products button to place your favorite products online on Haarlemsewinkels.nl. Do you want to adjust your stock or the price? This is easy with the app. Change the details and press send. The data has now been changed.