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Extensive Trading Co Ltd


Extensive Trading Co., Ltd. is renowned in the construction industry with over 30 years of experience. Today we are one of the leading firms selling extensive building services products. Our people are highly experienced and professional in providing reliable and guaranteed services and products to our clients in Hong Kong, China and Macau. Over the years, we have been awarded a substantial number of projects. Our competitiveness lies in our reliable products and professional as well as a sound financial background supplemented by the support from our mother company

Carlos 1990 Co is a subsidiary of Extensive Trading Co., Ltd. It is an established supplier of Indoor Air Quality (IAQ) equipment such as air purifier, smoke detector, power equipment, valve and Heating, Ventilation and Air-conditioning (HVAC) control and equipment.



Control Device
Control - Belimo Control - Honeywell

Damper actuators, motorized control valves.
- On/Off / Modulating
- Ball / Butterfly / Globe valaves

HVAC control parts
- Control valves / FCU valves
- FCU thermostats / Temp. controllers
- Temp. / RH sensors
- Diff. pressure controllers / Pressure switches

Control - Sontay Control - Sontay Water Detection

Field sensors and controllers for HVAC
- Temp. / RH / Pressure sensors, controllers and switches for air or liquid.
- Light level sensors and controllers
- Air / water flow sensors

Water detection system and sensors
- Water leakage detection cables
- Water leakage detection point sensors
- Rain / Condensation detectors

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IAQ - QEL IAQ - Macurco Gas Detection

Gas sensors
- Refrigerant sensors / controllers
- Carbon Dioxide (CO2) gas sensors for in door
- Carbon Monoxide / Nitrogen Dioxide /
Sulphur Dioxide (CO / NO2 / SO2) gas sensors for car park
- Hydrogen sensors for UPS battery rooms
- Explosion proof combustible gas sensors (Hydrogen / Methane /
Propane / Gasoline, etc.)
- Toxic / combustible gas smart sensor / controllers
- Gas sensors control panels and relay panels
- Gas sensors data loggers

- Combustible gas detectors for residential / commercial
- Combustible gas sensors / controllers for parking garages,
maintenance facilities or other commercial applications.


- Polarization / electrostatic air filters / air cleaners
- Ultraviolet germicidal lights

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Energy Saving
Energy Saving - ISOIL Energy Saving - Kamstrup

- In-line type electrolmagnetic flow meters
- Insertion type electrolmagnetic flow meters
- Energy meters and data loggers

- In-line type ultrasonic energy meters


Plate Heat Exchangers Humidifiers
Plate Heat Exchangers - Hisaka Humidifiers - Armstrong

- Plate Heat Exchangers for HVAC system

- Electric steam humidifiers

Heaters - Stokes

- Electric air heaters

Pipe Fittings
Pipe Fittings - Nisshin Pipe Fittings - ORK

- Thermometers
- Temp. and pressure gauges

- Stainless steel flexible connectors
- Stainless steel expansion joints

Pipe Fittings
Pipe Fittings - Duker Pipe Fittings - Mage
-Online Quotation
-The European norm DIN EN 877 applies to component parts, of cast iron pipeline for the building of drainage systems. The norm covers moreover function requests for all component parts including the connections. The PMJ couplings conform fully to these specifictions.

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Awards & Recognition

Award Year Issuer of award
Happy Company Award 2016-2017 Promoting Happiness Index Foundation
Family-Friendly Employers Award 2015-2016 Home Affairs Bureau & Family Council

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Job Reference

Tiles Pipes and Fittings
Sky Tower, To Kwa Wan Chelsea court, Yueng UK Road
Sorrento, Kowloon Station Grand Waterfront
The Harbour Side, Kowloon Station Harbour Green, Olympic Station
Renovation of Wylie Court, Ho Man Tin Las Vegas Sands, Macau
The Capitol, Lohas Park, Tseung Kwan O Prince Ritz – Princes Edward West
Emerald Green, Yuen Long The Cullinan, Kowloon Station Package 5 & 6
Prince Ritz , Kowloon City Cyberport Residential Development Phase R2, 3 & 4
The Caldecott, No. 3 Caldecott Road Piper's Hill High Cliff – 41D Stubbs Road
Bellagio, Sham Tseng L’ hotel Causeway Bay Harbour View
Bon Point, Central La Place de Victoria
Grand Lisboa Hotel, Macau Manhattan Hill
No. 2 Park Road, Central NinaTower
NTS Police Head Quarters, Tsuen Wan NT South Police Headquarters
Fiori, Ping Shan Sorrento – Kowloon Station II
Mount Davis 33, Kennedy Town The Harbourside – Kowloon Station IV
No. 31 Robinson Road The Orchards – Tai Koo Valley V
Caribbean Cost, Tung Chung, Lantau Island Noah's Park in Ma Wan Park
Tung Chung Cresent, Tung Chung, Lantau Island HKJC - Owner Boxes Facilities at Shatin Racecourse
Coastal Skyline, Tung Chung, Lantau Island The Ritz - Carlton, Hong Kong - ICC, 1 Austin Road
La Baie Du Nobel, Macau Prince of Wales Hospital Extension Block
Residence Bel-Air Tower, Cyberport Road The Redevelopment of Lo Wu Correctional Institution
The Grandiose, Tseung Kwan O Yoho Mid Town
The Legend, Tai Hang K11, Shopping Mall, Hyatt Hotel
The Merton, Kennedy Town New Praya North Lantau Hospital
The Waterfront Tower, Kowloon Station The Fairwood Food Factory at Tai Po
The Zenith, Wanchai Café de Coral Food Factory Bldg at Tai Po
Villa Esplanada, Tsing Yi North Satellite Concourse, Hong Kong International Airport
Prosperity Tower, Central Government Fire Service Complex at Mei Lai Road
Belcher’s Hill, Kennedy Town Contract SSS-330 Tin Shui Wai Clinic
Black’s Link MTRC West Island - Re-Provisioning of David Trench Rehabilitation Centre
No 9-12 Chun Fai Terrance, Tai Hang
Residential Development at Che Kung Temple MTR Station
39 Queen’s Road, Central
HVAC Control Products
Arc de Triomphe Macao QE SARS Wards Block A,B,C, E, G (HVAC ATC control)
Galaxy Resort & Casino, Coati City, Macau Chinese University of Hong Kong Tung Wah Group of Hospital Community College (HVAC ATC & CCMS control)
HAECO – Superterminal I Shinji Shumeikai Hong Kong Headquarters (Sai Kung) (HVAC ATC & CCMS control)
HK Int’l Airport Contract P322 & Skypier Bldg Works Hong Kong Sanatorium & Hospital Redevelopment – Phase 3 (HVAC ATC control)
International Commerce Centre (ICC) Kowloon Station ELEMENT shopping malls Carpark (Environmental Ventilation Carpark Control)
MGM Grand Macau Shek Pak Wan Estate Carpark (Environmental Ventilation Carpark Control)
One Island East E & M – S13113 Tsuen Wan West Station PTI (Environmental Ventilation Carpark Control)
Ponte 16 Phase 2, Macau Macau Galaxy Resort Cotai Phase A (Chimney & Boiler Ventilation Monitoring & Alarm System)
Venetian Parcel 5 & 6 Macau Grand Lisboa Extension (Chimney & Boiler Ventilation Monitoring & Alarm System)
Community College Development, HKPU Gateway Service Apartment and Hotels (Chimney & Boiler Ventilation Monitoring & Alarm System)
Teaching Hotel at The Chinese University of HK Macau Vienetian Macao Parcel 2 (Water Meters supply for Billing)
Youth Development Centre at Chai Wan Macau City of Dreams (Water Meters supply for Billing)
MTRC West Island - Re-Provisioning of David Trench Rehabilitation Centre Central Building, Central (IAQ improving system device)
HKEx Next Generation Data Centre at Tseung Kwan O Industrial Estate NSC ( 3 ) Library in Tin Shui Wai Complex Tower (IAQ improving system device)
Redevelopment of Hong Kong Sports Institute
Tuen Mun Swimming Pool
Kwun Tong Swimming Pool
Disney Hollywood Hotel
Maxims New Cake and Bakery Factory
Café de Coral Food Factory Bldg at Tai Po
Harbour One
K11, Shopping Mall, Hyatt Hotel
Tseung Kwan O Hospital
North Lantau Hospital
Cosmoplitan Hotel, Kwai Chung
Che Kung Temple Station, Ma On Shan Line STTL 5119, Shatin
Macpherson Indoor Stadium at No. 10 Yim Po Fong Street
Heng Seng Management College
Indoor Velodrome - cum - sports Centre in Area 45, TKO
28 Hennessy Road
Prince of Wales Hospital Extension Block
Diocesan Girls' Junior School

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Contact Us

Extensive Trading Co., Ltd.
Units 1712, 17/F, Chevalier Commercial Centre,
8 Wang Hoi Road, Kowloon Bay, Kowloon, Hong Kong.
Tel : (852) 2889 1681
Fax : (852) 2556 6029
Email :
Carlos 1990 Co
Units 1712, 17/F, Chevalier Commercial Centre,
8 Wang Hoi Road, Kowloon Bay, Kowloon, Hong Kong.
Tel : (852) 2889 6221
Fax : (852) 2889 7917
E-mail :

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Retail Shop
Companion Glory Ltd
G/F., 292 Portland Street,
Mongkok, Kowloon, Hong Kong
Tel : (852) 2393 1951
Fax : (852) 2787 0210
E-mail :
Supreme Tiles
Shop A1, G/F., No. 280 Portland Street,
Mongkok, Kowloon
Tel : (852) 2396 3515
Fax : (852) 2380 8482
E-mail :

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