Dear K’ Watcharapong
Pleas to apply TISI, There are Two regulation
1.To submit import permit is temporary (case by case)
But TISI need control and recording of product and document import-export clearing all shipment for report TISI
2. To apply permanent import license
TISI need factory audit, but no need control product and document import-export
Note : 1. TISI approval to permanent import license
2. Factory audit report is valid for 1 year
Therefore pleas request select regulation and inform