MTR Reports Subcontractor Over Unauthorized Materials

MTR Corporation’s Rigorous Oversight: Addressing Unauthorized Building Materials at Tung Chung East Station

In a significant development for Hong Kong’s infrastructure landscape, MTR Corporation has taken decisive action against a subcontractor suspected of using unauthorized building materials during the Tung Chung Line Extension project. The incident, which came to light on Wednesday, underscores the critical importance of material integrity and documentation accuracy in large-scale construction projects.

A diagram of the Tung Chung Line Extension project shows the locations of Tung Chung West and East Stations, with emphasis on construction activities involving unauthorized building materials and the investigation of subcontractor practices.

The controversy centers on Contract 1202 of the Tung Chung Line Extension, specifically involving non-structural partition walls in station equipment rooms at the Tung Chung East Station. Installation of these materials began in June, but concerns quickly emerged when Jetway Building Material Limited raised questions about the origin of the bricks supplied by the subcontractor.

A map illustrating the location of Tung Chung East Station, Tung Chung West Station, and the Tung Chung Line Extension, with annotations highlighting population estimates and construction sites involving unauthorized building materials and a subcontractor investigation as of August 28, 2025.

MTR’s investigation, which began in June, revealed significant discrepancies. Despite repeated requests, the subcontractor failed to provide satisfactory proof of material procurement from authorized manufacturers. This inability to verify the materials’ authenticity prompted MTR to take an unprecedented step of reporting the matter to local law enforcement.

The image shows a construction site with various track layouts, highlighting the connection of new Tung Chung Line tracks to the existing tracks and the ongoing major track diversion works linking Tung Chung East Station, with annotations pointing out unauthorized building materials and the investigation involving the subcontractor.

The Transport and Logistics Bureau has responded with remarkable seriousness, adopting a zero-tolerance approach to potential material falsification. Authorities have explicitly stated that the questionable batch of materials will not be used in the project and have demanded a comprehensive investigation from MTR.

Construction activities near Tung Chung East Station and along the Tung Chung Line are ongoing, with multiple cranes and excavation work visible, indicating possible issues related to unauthorized building materials.

Importantly, MTR has assured the public that this incident will not compromise the Tung Chung Line Extension project’s timeline or introduce additional costs. The corporation is operating under its “ownership model,” which places it in complete charge of financing, design, construction, operation, and maintenance of the new line. This model inherently demands rigorous oversight and accountability.

A map shows the Tung Chung Line Extension with new stations Tung Chung West and Tung Chung East, highlighting construction activities and unauthorized building material investigations near Tung Chung East Station as of August 28, 2025.

The corporation’s response has been methodical and transparent. MTR has instructed the main contractor to compile a detailed report and pledged full cooperation with the ongoing police investigation. By taking these proactive steps, MTR demonstrates its commitment to maintaining the highest standards of construction integrity.

This incident highlights the complex challenges in infrastructure development, where material sourcing and documentation can have significant implications for project safety and reliability. The involvement of law enforcement emphasizes the gravity of ensuring that every component meets stringent quality standards.

For the broader public and industry observers, this event serves as a powerful reminder of the meticulous processes required in modern infrastructure projects. It showcases how responsible corporations like MTR prioritize transparency, safety, and regulatory compliance over potential short-term conveniences.

The Tung Chung Line Extension remains on track, with MTR’s swift and decisive action preventing any potential compromise to the project’s integrity. By addressing the unauthorized materials issue head-on, MTR reinforces its reputation as a responsible and diligent infrastructure developer committed to maintaining the highest possible standards.

As the investigation continues, stakeholders can be assured that MTR is leaving no stone unturned in its pursuit of accountability and excellence in the Tung Chung Line Extension project.

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