Van Sales or (DSD) Direct Store Delivery is a B2B software solution for sales and logistics where products are delivered to a retail store directly by the manufacturer bypassing a retailer’s distribution centre.. The operation cycles starts with Check out where the Goods are transfers from suppliers warehouse to the delivery vehicle, making the Vehicle the Virtual warehouse, delivery sales , invoicing, receipts and returns and managed by the app with or without internet connectivity. Printing of documents is done through wireless or Bluetooth connection to mobile thermal printers. end of the working shift , the Delivery vehicle checks in the warehouse and auditing and verifications of Stock, returns, invoices and receipts as well as different types of payment are checked on the suppliers warehouse backend . The system can be integrated with third party accounting or ERP systems . currently it is integrated with SAP Business One.