1. Cov qauv kev ua haujlwm cnc muaj tus nqi nruab nrab, ntau yam khoom siv, thiab ntau yam kev siv, uas tuaj yeem ua tau raws li cov neeg siv khoom sib txawv rau lub zog, kub tsis kam, siab kam rau ua, thiab pob tshab.
2. Cov txheej txheem kev kho deg ntawm cnc tes phaj ua qauv muaj ntau haiv neeg, xws li kev sib tsoo, tshauv txau, pleev xim, polishing, silk screen printing, electroplating, oxidation, laser engraving, bluing, UV, thiab lwm yam. Cov nyhuv tuaj yeem ua kom zoo nkauj dua. tshaj cov khoom tsim los ntawm cov pwm.
3. Nyob rau hauv tsos, sib dhos, thiab kev ua haujlwm pov thawj, lub hom phiaj ntawm cov neeg siv khoom npaj thiab kev kuaj xyuas tuaj yeem ua tiav, thiab cov khoom ua haujlwm tuaj yeem ua tau uas tuaj yeem cuam tshuam cov neeg siv khoom lub hom phiaj.
Yog tias koj muaj lus nug, tos ntsoov rau koj qhov kev sab laj