According interviewed Mr.aroon S. purchesing process control by P-PU-01. Every PR/PO approved by Ms.Ratchnee. Sampling PR.no007/03 (store department request) straps, 15 mm.x10Kg/roll 30 rolls, approved by Ms.Ratchanee on 23 Mar 2016. Checking PO.no.5902005 order to Siamgolden Packing Co.Ltd., detail is straps size 15 mm.x10Kg/roll, 30 rolls, required date is 4 Apr 2016, approved by Ms.Ratchanee on 29 Mar 2016.