New Territories Tuen Mun 
Number of tanks：>5 tanks: 10座樓宇 What type of tank do you need to clean?
Potable water tank
What is the material of the tank?
Concrete, tile
Where is the tank location?
Rooftop
How many tanks do you need to clean?
>5 tanks, 10座樓宇
What is the building type?
Residential building
How many floors does the building have?
7-15 floors
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,Tuen Mun
