- Airspace Consultancy Limited
- Asbestos Consultancy,Flat Inspection,Safety Consultancy,Environmental Consultancy.
- Address:Room D6, 13 / F. , Howard Factory Building, 66 Tsun Yip Street, Kwun Tong
- Winlane Consultancy
- Consultancy, ISO 9001, Safety Audit, ISO 14001, Ohsas 18001.
- Address:P. O. Box No. 30791, Causeway Bay Post Office
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