HB22 series:
Nws lub cev ntim ntawm lub qhov cub yog 22 hli; thiab qee hom yuav muab ntsia tau rau hauv 30 hli qhov nrog lub hli 30 hli hloov tau txiv ntoo.
Hloov tsev nyob sib nrug sib luag thiab cov insulating kev ua tau zoo heev.Qhov khoom muaj raws li cov qauv ntawm IEC60947-5-1, GB14048.5 thiab lwm yam.
