When the entity would like to purchase assets or services employees who have demand will informed to K.Kunthida (Personal Assistant) and will informed K.Kittisak (IT officer) for purchasing computer, only in case of high value or purchasing fixed assets they need to manually prepare Purchase Requisition and sign their name and head division as acknowledge and approved PR by K. Rihito Onuma (Managing Director). Then K.Kunthida will check for prices and discuss with K.Wipaporn (Associated Administrative and Finance Director) before send quotation to K. Rihito Onuma (Managing Director) to approved and sign in quotation and then perform purchasing for general office expenses. ).