New Territories North 
Number of tanks：1 tank What type of tank do you need to clean?
Flush water tank
Others, 食水水管
Others, 食水水管
What is the material of the tank?
Concrete, tile
Where is the tank location?
Rooftop
How many tanks do you need to clean?
1 tank
What is the building type?
Others, 學校
How many floors does the building have?
Up to 6 floors
Please provide details about the tank's capacity or other information to help PROs better understand (optional)
unknown
What time do you prefer to have the service?
Any time
Anything else that we need to know?
No
Where is your location?
New Territories,North
