New Territories Tsuen Wan 
Number of tanks：3 tanks What type of tank do you need to clean?
Potable water tank
Flush water tank
Flush 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?
3 tanks
What is the building type?
Others, 學校
How many floors does the building have?
Up to 6 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,Tsuen Wan
