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ON TAT ENGINEERING CO (registered gas contractor 530-01)

ON TAT ENGINEERING CO is a registered gas contractor, RGC number 530-01, on EMSD’s Overall Registered Gas Contractor List, registered for Class 1, Class 2, Class 3, Class 4, Class 5, Class 6, Class 7, Class 8. Its address on the list is Room A1, 4 Floor, Cheong Wah Factory Building, 39-41 Sheung Heung Road, To Kwa Wan, Kowloon. Confirm the registration on EMSD’s list before relying on it.

Name
ON TAT ENGINEERING CO
Chinese name
安達工程公司
Type
Firm
RGC number
530-01
Classes of gas installation work
Class 1 LPG hotplates (cylinders)
Class 2 Domestic pipework and meters
Class 3 Domestic pipework, meters and appliances
Class 4 Domestic appliances servicing
Class 5 Non-domestic pipework and meters
Class 6 Non-domestic pipework, meters and appliances
Class 7 Non-domestic appliances servicing
Class 8 Industrial appliances (process)
Telephone
8200 6609
Address
Room A1, 4 Floor, Cheong Wah Factory Building, 39-41 Sheung Heung Road, To Kwa Wan, Kowloon
九龍土瓜灣 上鄉道39-41號 昌華工廠大廈4樓A1室
District
Kowloon City District
Check it
EMSD’s list of registered gas contractors — look for RGC number 530-01

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What the classes cover

  • Class 1: Installation, commissioning and routine maintenance of a domestic gas appliance which is a hotplate supplied by not more than one cylinder.
  • Class 2: Installation of a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in domestic premises; and an installation pipe in domestic premises.
  • Class 3: Installation and commissioning of a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in domestic premises; an installation pipe in domestic premises; and a domestic gas appliance.
  • Class 4: Installation of domestic gas appliances to existing, adjacent gas supply points and commissioning and servicing of domestic gas appliances.
  • Class 5: Installation of a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in non-domestic premises; and an installation pipe in non-domestic premises.
  • Class 6: Installation and commissioning of a service pipe, and any gas flow control, primary meter or primary meter installation used in connection with such pipe, in non-domestic premises; an installation pipe in non-domestic premises; and a non-domestic gas appliance.
  • Class 7: Installation of non-domestic gas appliances to existing, adjacent gas supply points and commissioning and servicing of non-domestic gas appliances.
  • Class 8: Installation, commissioning and servicing of a gas appliance which forms part of an industrial process.

EMSD’s definitions (Gas Safety Portal).

Others on the list at this address

  • GLAMOUR DESIGN CO 金輝設計工程公司
    RGC 683-06 · Classes 1, 2, 3 · Room A1, 4 Floor, Cheong Wah Factory Building, 39-41 Sheung Heung Road, To Kwa Wan, Kowloon
  • GLAMOUR DESIGN COMPANY LIMITED 金輝設計工程有限公司
    RGC 785-12 · Classes 1, 2, 3, 4, 5, 6, 7, 8 · Room A1, 4 Floor, Cheong Wah Factory Building, 39-41 Sheung Heung Road, To Kwa Wan, Kowloon

Getting there

Nearest MTR
To Kwa Wan · 334 m, about 4 min on foot
Nearest MTR exit
To Kwa Wan Exit A · 269 m, about 3 min on foot
Nearest car park
To Kwa Wan Market and Government Offices · 275 m, about 3 min on foot
Nearest public toilet
Kowloon City Road Public Toilet · 308 m, about 4 min on foot
Bus & minibus stops within 300 m
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All registered gas contractors in Hong Kong · Registered gas contractors in Kowloon City

Data source: Electrical and Mechanical Services Department, Overall Registered Gas Contractor List and Contractor Lists 1–3 (data.gov.hk); district boundaries from the Home Affairs Department · Data © the Government of the HKSAR · Data refreshed 2026-10-05 · EMSD updates the lists monthly; synced weekly
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