1. Zoo heev
Peb cov khoom siv mis tsis yog mis nyuj yog ua kom dhau IOS, HAVAL, FDA ntawv pov thawj
2. Cov kev pabcuam tshaj lij
Peb tau ua cov kws tshaj lij kev tshawb fawb hauv kev lag luam balloon manufacturing. Txhawm rau txhim kho cov kev pabcuam zoo thiab qib, peb cov neeg ua haujlwm tau ua tiav QC kev cob qhia, thiab teeb tsa lub chaw kuaj xyuas tshwj xeeb.