Tony Y. K. Wong

Operations Director

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Offering independent and impartial services, ETL’s Inspection division is HKIAS accredited and highly qualified in assessing Waterworks Products, Welding Procedures and Welder Qualification Testing.


As well as offering Failure Analysis & Investigation services, our experienced team also provides QA and QC Consultancy services to ensure our clients’ projects are compliant with standard regulatory requirements.


For further information or to receive a quote, please contact the Inspection Testing team

Waterworks Products Inspection
  • Steel Pipes & Fittings
  • Ductile Iron Pipes & Fittings
  • Ductile Iron Man-hole Covers & Surface Boxes
  • Ductile Iron Fire Hydrants
  • Polyethylene (PE) Pipes & Fittings
  • Pressure Reducing Valves, Gate Valves, Check Valves, Globe Valves, Butterfly Valves, Non-Return Valves etc.
  • Y-Strainers
  • Stainless Steel Pipes & Fittings
  • Flexible Joints
  • Paints/Coating Inspection
  • Paints/Coating Testing
Welding Procedure & Welder Qualification Testing
  • Welding Procedure Qualification Test
  • Welder Qualification Test
Failure Analysis & Investigation
  • Identifying Cause of Failure of Components by Various Methods of Investigation
QA/QC Consultancy
  • Steelworks Compliancy with Standard Requirements

Job Reference

Heat Treatment

Date: April 2022 to present

Division: Inspection

Project: Black Point Power Station and Castle Peak Power Station - Plant Maintenance

Client: Kum Shing E&M Ltd.

Inspection of WPQT & WQT

Date: January 2022 to present

Division: Inspection

Project: BPPS Station Unit D2, Erection of HRSG, BoP Piping & Insulation

Client: Ah Ngau Engineering Ltd.

Inspection of Waterworks Products

Date: November 2021 to present

Division: Inspection

Project: Contract No.: DC/2018/06 - Shek Wu Hui Effluent Polishing Plant - Main Works Stage 1 - Civil Works for Sludge Treatment Facilities & 132kV Primary Substation - Inspection of D.I. Fittings

Client: Essential Trading Co Ltd.

Inspection of Waterworks Products

Date: August 2021 to present

Division: Inspection

Project: Contract no. DC/2019/11 Upgrading of West Kowloon and Tsuen Wan Sewage – Phase 2A - Inspection of Polyethylene Pipes & Fittings

Client: Grand Apex International Co. Ltd.