Nyob rau lub Kaum Ob Hlis 5, 2015, tus tuav ntaub ntawv tshiab ntawm Dezhou Technology Development District -E Hongda tuaj rau Aolai kom muaj kev qhia ua haujlwm nrog Mr Li thiab GM Mr. Sheng.
Cov thawj coj tau tuav peb cov Backpack Hydraulic Series thiab roj teeb rau cov khoom siv rog. Tsis tas li ntawd, lawv txhawb cov tuam txhab kom R & D muaj peev xwm tsim dua cov khoom zoo, zoo thiab yooj yim rau cov khoom cawm siav.
