1. Txais PLC thiab kov npo, yooj yim rau kev khiav lag luam. 2.Dual-siv rub nrog servo ua rau cov yeeb yaj kiab thauj khoom zoo.
3. Zoo meej tswb
system kom daws tau qhov teeb meem sai.
4.Co-ua hauj lwm nrog hnyav thiab filling tshuab, txheej txheem ntawm hnyav, bagging, filling,
hnub luam ntawv, them nyiaj (exhausting), suav thiab xa cov khoom tiav tuaj yeem ua tiav tiav.