Cov mej zeej ntawm zoo tswj department yog senior thiab koj. Lawv yog cov paub nrog cov khoom raug thiab zoo txuj
Nyob rau hauv pab neeg IEP, lub minister Li muaj lub title ntawm ti teg taw, 4 cov neeg muaj lub npe ntawm pab engineer
QC department saib xyuas thiab saib xyuas txhua txhua txheej txheem zoo
