Intelligent toilet cover
TDS water quality test module 
RO machine 3 (RO water purifier)
RO machine 2 (RO water purifier)
Water dispenser 2 (i.e. hot water purifier) 
Water dispenser 1 (central water softener)
Three stage filtration reverse osmosis water purifier 
RO water purifier
Water purifier 3 U1 
Intelligent water dispenser
Intelligent water dispenser controller
Quick heating water dispenser
Humidifier controller 
Humidifier controller
Youting controller 
Youting controller 