Be sent to the purchase of the site requested or responsible for the business implementation of the procurement department and materials, are reviewed materials required coordination with the warehouse or inventory, and if he found some of the material is declared her to go out to the site in coordination with the warehouse and transportation, while the rest of the required materials that do not exist in the warehouse are work on them with suppliers and bring offers prices after confirming specifications and determine the best price and the best way to pay and the best time time as the project needed, then extract the purchase order and have several copies of the purchase order and have a picture of conservation in the file and another to the supplier and the latest accounts and another to the warehouse and another site, and start-up process and the arrival of materials to the site directly or warehouse and then to the site by the organization and the need for the project