Lus piav qhia luv luv:

1. Cov hmoov tshwj xeeb ntsia hlau ntsuas tshuab koom tes nrog cov khoom ntim kom tiav cov kev ntsuas tsis siv neeg, txhaws, sealing thiab ntim txheej txheem;

2. Servo tsav system yog saws, nrog kev ua haujlwm siab thiab ruaj khov;

3. stainless hlau qhib hom bins yooj yim los ntxuav;