1.The product vacuum arcing chamber adopts porcelain case, cup shape and longitudinal magnetic field contactor structure, copper and chrome contactor material, it has the capacity of good open and close short circuit current.
2.The type vacuum arcing chamber adopts wave shape porcelain case, copper and chrome contactor material, cup shape and longitudinal magnetic field structure.
3.Kiosk for locals, most of the time they sell lemonade, forigers are given a plastic cup, locals get porcelain mugs, that are washed in a bucket of water after use.
