Castco Testing Centre Ltd. was established in 1986 as an independent commercial laboratory to provide the clients with accurate, objective and quality testing services. We serve and value every client ranging from individuals and small businesses to public listed companies and government authorities. As a result of our founding philosophy of continuous advancement and fulfilling our client's need, Castco has grown from a traditional Concrete And Steel Testing CO to one of the Hong Kong leading commercial laboratories which provides complete laboratory and site testing services in the following eight major categories:

1. Physical Testing of Construction Materials which includes Concrete, Aggregate, Cement, Soil, Drainage products, Mortar/Grout, Asphalt/Bitumen, Lime, Tiles, Blocks/Bricks, Pulverized fuel ash, Building components and Metallic material/Steel.
2. Non Destructive Testing of Weld
3. Non Destructive Testing of Foundation
4. Structural Investigation







5. Chemical Analysis
6. Environmental Testing
7. Calibration Service
8. Ground Investigation

Castco received the HOKLAS recognition in 1990. With the dedication and commitment of our over 200 numbers of supporting staff, we have been able to certify with HOKLAS accreditation in more than 400 testing items and calibration services.

The aim of our laboratory is to provide our clients with the highest level of professional service through superior technical expertise, state of the art equipment and outstanding customer service, while maintaining the highest professional standards.