Welcome to the Multi-Tier Warehouse System,Multi-tier Warehouse System is a digital application for the operations of PT Puninar Logistics in carrying out the SJ print process. This application will mapping automatically customer PO and airway bill based on couriers who serve as expedition services.There are 4 main features, namely pairing customer POs and airway bills, viewing pairing lists, generating SJ, and viewing SJ that has been generated. This application also has a feature to validate if the customer PO or airway bill is scanned more than once. With an attractive and interactive appearance, Multi-Tier Warehouse System makes it easier for operations to carry out the handover process to the courier.