| Hom | Hom | Siv tau |
| Dav Dav | CCB-7 20400116 H22 | Rau Hyundai Elevator |
Lub rooj tsavxwm sab saum toj ntawm lub tsheb nqa khoom siv interface board CCB-7 20400116 H22 circuit board rau Shanghai Hyundai elevator. Yog xav tau lwm yam khoom siv ntawm lub tshuab nqa khoom lossis escalator, thov hu rau peb. Peb muab ntau hom thiab qauv.