CONGRATULATION !! PEB TUS NEEG TUAJ SAIB HAUV 2014 65th KUNMING LUB TEB CHAWS KEV QHIA UA PHEM RAU TUB NTXHAIS, LI NTAU NTAU YAM THIAB OVERSEA COV NEEG MUAJ KEV PAB CUAM INTERESTING IN PEB BIOLOGICAL, TSHUAJ TSHUAJ, PHYSICAL, EXPERIMENTAL EQUIPMENTS ..
Sijhawm Tshaj Tawm: Lub Rau Hli-23-2020