Australian International School Hong Kong
Christian Central Church ( Tsuen Mei ) Limited
CCC Heep Woh Primary School
Christian Central Church ( Tsuen Wan ) Limited
Creative Kindergarten & Day Nursery ( Heng Fa Chuen)
HKU Space Kowloon East Campus
Hong Kong Sport Institute Limited
King's College
Mental Health Association of Hong Kong Cornwall School
Po Nga Nursery School
Sacred Heart Canossian School Private Section
St. James' Settlement
The Boys' & Girls' Club of Association of Hong Kong
The Chinese University of Hong Kong
The Church of Christ in China Kei Shun Special School
The Hong Kong Academy for Performing Arts
The Hong Kong Taoist Association Ching Chung SecondarySchool



Able Contractors Limited
Bestkind International Engineering Limited
China State Construction Engineering ( HK ) Ltd
Chiu Lee Construction Limited
Chung Shun Engineering Co Ltd
Fine View Engineering Co Ltd
Green Point E&M Engineering ( HK ) Limited
Kai Wing Engineering Co Ltd
Polywide Limited
PowerElect Engineering Limited
Rocka Kitchen Design Limited
Shui On Construction Co Ltd
Shun Fat Contracting Limited
Sun Yu Chau Interior Contracting Co., Ltd.
SRB Engineering Company Limited
Telfors Engineering Co Ltd
Wing Ming Engineering Co Ltd
Wing Yip Plumbing & Drainage Co Ltd
Yue Po Engineering Co., Ltd.


Food & Beverage

Akamaru Udon Factory
BilliDart Restaurant & Bar
CalCoast Wineries
Essen Worldwide Limited
F & B Catering Equipment Limited
Fools Bar
Forum Restaurant
Hong Kong Foodservice Equipment Co., Ltd.
In-plus (HK) Limited
Jumbo Kingdom
La Lavande Bar & Lounge
Nha Trang
Pacific Foodservice Equipment Co Ltd
Standard Catering Equipment ( China ) Co Ltd
Tai Sushi
Wien Private Club Courtyard Café
YWCA Countyard Café


Grantham Hospital
Hong Kong Sanatorium & Hospital
Princess Margaret Hospital
Queen Mary Hospital
St.Teresa's Hospital


Harbour Grand Kowloon
East Hong Kong
Harbour Plaza North Point
Lanson Place Hotel
Park Hotel Hong Kong
Penta Hotel Hong Kong
Rosedale Hotel Hong Kong
Rosedale Hotel Kowloon
The Kimberley Hotel
W Hotel Hong Kong


Property Management

Associated Development Company Limited
Century 21 Alliances Realty Limited
EFCC Yan Fook Church
Gee Chang Group
Gee Chang Co Ltd
Gee Hing Chang Investment Co Ltd
Gee Luen Chang Investment Company Limited
Gee Tung Chang Investment Company Limited
Gee Wing Chang Investment Company Limited
Global Source Properties Limited
Global Source Properties ( Shenzhen ) Co Limited
Hip Shing Hong ( Holdings ) Company Limited
ISS Eastpoint Property Management Ltd
Jones Lang Lasalle Ltd
Kai Shing Management Services Ltd
Synergis Management Services Ltd
Whampoa Property Management Ltd


Others ( I )

Aberdeen International Fund Managers Ltd
A Plus Financial Press Ltd
ASM Technology Singapore PTE Limited
ASM Technology Hong Kong Limited
ARCH Academy Limited
AXA China Region Insurance Company Limited
Beauty Storey Holding Limited
Britannia Garment Packaging (HK) Limited
California Fitness - Central Club
California Fitness - Jackie Chan Sport
California Fitness - Mega Box Club
California Fitness - Tsim Sha Tsui Club
California Fitness - Causeway Bay Club
CA Network International Ltd
CIA Printed Circuit Boaards Ltd
Cityplaza Holdings Limited
Champion Access Asia Pacific Limited
Champion Industrial Co Ltd
Christian Gospel Disciples Church
Chow Tai Fook Jewellery Co Ltd
Clarence Film Studio
Clarence Intelligent Agancy Ltd
Cleair Group Ltd
CLP Power Hong Kong Limited
Concepts Consulting Limited
Department of Health
Delphes Practice Ltd
DGS Group Limited
DHL Aviation (Hong Kong) Limited
Dr. Mo Kit Wah Clinic
Dragon Fit Limited
Drop-Shipping Global Services Ltd
Eddingpharm ( Hong Kong ) Co Ltd
Elite Personal Training Limited
Era Luck Limited
Epoch Medical ( HK) Ltd
Fine Chiffon Corp. Ltd
Fish Space
Fu Hong Society
Hong Kong Institute of Certified Public Accountants
Hong Kong Optical Lens Co Ltd
Hong Kong Young Women's Christian Association
Hsintex Ltd
HP Development Company, L.P.
Hutchison Telephone Company Limited
Isny Beauty
K.L. Service Company
Lead Talent Ltd
Leadgrand Trading Limited

Others ( II )

Life Digital Technology Ltd
Life Solutions Hong Kong
Long River Computer Label Development Co Ltd
Merck Sharp & Dohme (Asia) Ltd.
Monte Interior Design Company Limited
MTR Corporation Ltd
NAAC Tai Hing Hostel
New Creation Association Ltd
New Media Group Publishing Ltd
New Point Concepts Ltd
Nutrihealth Co Ltd
Ocean Shores Club House
Paladin Limited
Peak Reinsurance Company Limited
Pioneer Tech Industrial Ltd
Pmo Supreme Kid Co Ltd
Precision Medical Electrographic Ltd
Prosperity Telecom
Poggenpohl Hong Kong Ltd
Po Leung Kuk - King Lam Hostel
Po Leung Kuk Padma & Hari Harilela Intergrated
Rehabilitation Centre
Po Leung Kuk - Yue Yiu Sun Memorial Workshop
Radnor Limited
S Club
Salesian Society - Salesian Hse of Studies
SkyOcean International Holdings Limited
Sixfifteen Imports-Exports Limited
Sun International Financial Group
Poseidon Research China Co Ltd
RR Donnelley Roman Financial Limited
The Hong Kong Academy of Flower Arrange Limited
Tibet 5100 Water Resources Ltd
Tien-Hu Trading ( Hong Kong ) Limited
Timing Watch (HK) Limited
Thicas Interiors Ltd
Tress Hair Salon
801 workshop

Contact us

Contact IAQ
Air Cleaner Wiltech

Unit 315, 3/F, Kinetic Industrial
Centre, 7 Wang Kwong Road,
Kowloon Bay, Kowloon, Hong Kong


(+852) 3421 2028


(+852) 3421 2185

IAQ by email IAQ Air Test