WinTrader Control your inventory and stock levels with easy-to-use tools designed to take the hassle out of inventory management. Manage Multiple-warehouses, stock transfers, refunds and Keep your stock levels up-to-date. Helps businesses organize and control all aspects of their inventory, with serial number tracking, lot control, kitting, and a full suite of other critical features. When it comes to Inventory and Supply Chain Management, accuracy is of the utmost importance. Too much inventory will result in lost revenues. Too little inventory can result in lost sales. WinTrader accurately tracks all items, so you can maintain a lean supply chain and improve customer satisfaction.