With over three decades of experience in metal engineering, we now specialize in building durable tunnel environmental control system steel structure engineering at an economical cost

Kong Ngai Engg. Limited, formerly known as Kong Ngai Engineering Limited, was established in 1987 and rebranded with its current name in 2017. In the early days of its establishment, the company focused on small metal projects. As the company has grown and expanded, it has now focused on the metal structure engineering of tunnel environmental control systems. From 2015 to 2022, the company completed the air duct steel structure of the environmental control system for the entire Shatin to Central Link tunnel project. The project, contract numbers SCL1153 and SCL1153B, includes nine stations and four ventilation buildings. Our team of highly skilled professionals provides innovative solutions and superior craftsmanship. Highly appreciated by our clients, we pride ourselves on providing our clients with detailed, reliable, professional commitment and accurate delivery dates within budget.