Dab tsi yog xim dawb primed molding

Dawb Primed Moulding yog 2 lub tsho tiv no Primer thiab ib lub tsho tiv no xim ua xim dej. Cov moudlings no muaj qhov zoo ntawm qhov tau yog Ob Primed thiab Undercoated ntawm tag nrho 4 ntsej muag - qhov no muab ntxiv durability thiab kev tiv thaiv thaum lub sijhawm tsim kho