core business
Φ6980EPB/TBM dual mode shield machine
■ Excavation diameter (mm): 6980
■ Applicable pipe sheet specifications: outer diameter 6.7m, inner diameter 6m, maximum ring width 1.5m
■ Applicable strata: all kinds of rock, soft soil, pebbles, composite strata
■ Maximum torque (KN-m): 5920
■ Breakaway torque (KN-m): 7100
■ Maximum thrust (KN): 5060
■ Design working pressure (Bar): 5
■ Cutter form: composite/soft soil
Since its establishment, the company has been committed to providing customers with high-quality various types of tunnel boring machines and supporting equipment, and at the same time providing customers with on-site installation and commissioning, dismantling, shield U-turn, shield stationing, equipment tunneling maintenance, equipment return maintenance, equipment transfer maintenance, equipment on-site emergency maintenance, equipment technical services and other services, relying on 24-hour butler service, escort for customers, and provide reliable support for the smooth implementation of construction projects.
Up to now, the company's leasing equipment has completed 50 kilometers of subway tunnels, pipe gallery tunnels, hydraulic tunnels, mountain tunnels and other tunnels in Changsha, Shenzhen, Dongguan, Guangzhou, Kunming and other places, and created the highest record of Changsha Metro with a single shift of 27 meters in Changsha Metro.
The company has more than 10 sets of various types of tunnel boring machines such as slurry, earth pressure, dual mode, TBM, etc., more than 10 new energy battery cars of 25T, 45T and 60T tonnage, more than 10 gantry cranes of 25T, 45T, 50T and 60T tonnage, as well as several sets of continuous belt conveyors, which can be rented by customers.
Shield name: EPB/TBM dual-mode shield machine | Breakaway torque (KN-m): 7100 |
Excavation diameter (mm): 6980 | Maximum thrust (KN): 5060 |
Applicable segment specifications: outer diameter 6.7m, inner diameter 6m, maximum ring width 1.5m | Design working pressure (Bar): 5 |
Applicable strata: all kinds of rock strata, soft soil, pebbles, composite strata | Cutterhead form: composite/soft soil |
Maximum torque (KN-m): 5920 | Current status: Under construction, expected to be completed in August 2021 |

Tel:020-22338937
Address:25/F.,Building C1,Guangzhou Industrial Control,No.657 Huadi Avenue South,Zhongnan Street,Liwan District,Guangzhou City,China.