One-stop home appliance service design.
black appliances:
TV/Blu-ray player/game console/audio/home theater/VR equipment/remote control etc.
white appliances:
Washing machine/dryer/refrigerator/freezer/freezer/wine cabinet, wall-mounted air conditioner/vertical air conditioner/air conditioning fan, etc.;
small appliances:
Water boiler / rice cooker / humidifier / egg cooker / heat preservation pot / wall breaker / electric oven / microwave oven / pressure cooker, etc.;