Peb txoj kev loj hlob 2016 Lub tuam txhab tau tsim, cov khoom tseem ceeb ntawm dov tub rog ntim r & D thiab ntau lawm, 2 teeb ntawm 2.5 meters khoom, 20 tus neeg. 2017 Tus naj npawb ntawm cov neeg ua haujlwm tau nce mus rau 35 los ntawm kev ntxiv 3 meter ntauwd rotary khoom. 2018 Lub tuam txhab tau tsim, cov khoom tseem ceeb ntawm dov tub rog ntim r & D thiab ntau lawm, 2 teeb ntawm 2.5 meters khoom, 20 tus neeg 2019 Lub thawv loj tau ua tiav tiav thiab muab tso rau hauv kev ua haujlwm, thiab lub thawv me tau nce ib txhij, ntxiv 2 cov khoom siv ntawm 3.2 meters thiab nce cov neeg ua haujlwm rau 75. 2020 Lub tuam txhab tau tsim, cov khoom tseem ceeb ntawm dov tub rog ntim r & D thiab ntau lawm, 2 teeb ntawm 2.5 meters khoom, 20 tus neeg. 2021 Kev tshaj tawm tub rog tus qauv, tsom mus rau kev tsim cov tub rog airtight box. Txog tam sim no……