CERTIFICATE NUMBER

NAME 

EXPIRED DATE

METHOD

195/UT/NC/23

ESRA TIAN PONGTARUK

01/04/2028

Ultrasonic Testing 

227/PT/NC/23

ESRA TIAN PONGTARUK

08/06/2028

Liquid Penetrant Testing

227/MT/NC/23

ESRA TIAN PONGTARUK

08/06/2028

Magnetic Particle Testing