First. Want to change to another brand. Two. Customers want to cancel the order. Three. Desired product spec higher than that desired by the customer only.
1. to change the brand. 2. the customer has the ability to obtain cancellation of order. 3. the need for the item at a higher or sapek according to customer need.
1. You want to change the Other brand 2. Customers are required to cancel the purchase order items 3. demand for goods that aggregators or higher than that of a customer.