1. He should create confidence in the client mind 2. Services to be done (fulfilled in time) 3. Services to be done according the specification of the client 4. He should be placed the another order by doing the above three steps
For material/Goods Purchases, the Po is required. In the Po, QTY, Product Name, Where is delivery price, Terms and Conditions. In the po there is no matter of final amount. It is just the approximate amount.