Since the first vehicle tunnel in China (The Shanghai Dapu Road Tunnel) was built in 1970, STEC has undertaken 13 of 15 Super-large Diameter Tunnels (above14 meters in diameter) in China and 18 of 19 tunnels underneath the Huangpu River, which have been built or are being built. With the advanced technology of Shield Tunneling, Immersed Tunneling and Pipe-roof Tunneling, STEC has built nearly 100 tunnels around the world of almost every scale, as either a main-contractor or as an overall supervisor.

Based on such extensive experience in construction, STEC not only provides EPC service for tunnels, but also investment, operation and maintenance services as well. Our world-wide reputation of delivering reliable product quality motivates STEC to continuously strive and maintain its trusted quality. Advanced Tunnel engineering, safety and comfort are the standards we set to meet the diversified demands of our clients in tunnel construction.

Major Projects

Shanghai Yangtze River Tunnel

Shanghai Yangtze River TunnelShanghai Yangtze River Tunnel

Business Section:Tunnel
Project Operation Date:10, 2009
Participating Mode:Managing Contractor
Shield Parameter:15.43m Slurry Balance Shield
Project’s Breakthrough:World’s Longest Distance shield tunnel with Single Excavation and largest diameter When Completed