1. Course NDT inspector
2. Course Pre Exam CWI. (Certificate Welding Inspector)
************** Contact Khun Yaovarak Tel: 0800957585 **********
                (e-mail:cnipacific@yahoo.com)

Course CSWIP 3.0 (Visual Welding inspector) and CSWIP 3.1 (Welding inspector)
************** Contact Khun Fai Tel: 03-822-2136-7 **********
                (e-mail:www.twitraining.com)