Hauj lwm lawm
Xa kev nug

- Nta
1. Zoo meej cua convection tshav kub dissipation tsim, muaj zog cua sov dissipation.
2. Stainless hlau clamp caij nplooj ntoos hlav, tiv thaiv - xeb, tiv thaiv - cuam tshuam, ruaj, nyab xeeb thiab ruaj khov.
- Paub meej ntxiv



- Daim ntawv thov


- Peb lub tuam txhab


