New Territories North 
Budget：Below $5,000 
Project type：Other: 排风系统隔音 What kind of sound insulation do you need?
Other, 排风系统隔音
Where do you need soundproofing?
Office
What is the approximate size of space requiring soundproofing?
2,000-4,000呎
Please describe noise sources or space usage information （Optional）
排风系统音响太大，需要隔音
Can the expert do the work now?
No, 需要先订方案
What's your budget?
Below $5,000
Anything else that we need to know?
No
Where is your location?
New Territories,North
