Cov yas yaj feeder yog tsim rau yaj, tshis, nyuj siv.
Nws tuaj yeem siv los ua cov khoom noj pub mis lossis dej trough.
1.Sheep yas feeder txais thoob ntiaj teb kev txhaj tshuaj molding tshuabib lub sij hawm txwv tsis pub thiab ruaj khov.
2.High siv ib puag ncig tiv thaiv yas, nyab xeeb tsis muaj tshuaj lom.
3.Products ntxiv antioxidants, tshuaj pleev thaiv hnub.Antifreeze, thiab lwm yam., tsis ntshai lub hnub, weathering kuj tsis kub.
4. Kev lag luam thiab siv tau, yooj yim los ntxuav cov khoom seem.