China Railway Tunnel Group Co.

Name

China Railway Tunnel Group Co.

Legal name

China Railway Tunnel Group Co., Ltd.

Website

https://crtg.cn

Company type

Private

Founded year

1978

Operating status

Operating

Headcount range

51–100 employees

Ownership category

akta.pro rank

Product category

Tunnel and Underground Engineering Construction

NAICS

Heavy and Civil Engineering Construction (237), Water and Sewer Line and Related Structures Construction (237110), Highway, Street, and Bridge Construction (237310)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Tunnels & Underground Rail Civil Construction (IMAFAFAE)

akta.pro secondary industries

Tunnel Construction (Road, Rail, Utility) (IMAFAEAC), Stations, Platforms & Depot/Yard Construction (IMAFAFAD), Water Conveyance Tunnels & Large-Diameter Pressure Mains (Long-Distance) (TLAGAHAI)

Keywords

• Tunnel construction services
• TBM tunneling technology
• Underground engineering
• Railway infrastructure
• Metro tunnel construction

Headquarters

HQ city

Guangzhou

HQ country

China

HQ region

Asia

Offices9 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Supply Chain, Marketing or Sales

Revenue model

1. Infrastructure Construction Contracts: CRTG generates revenue through winning and executing large infrastructure construction contracts, primarily for tunnel and underground construction projects. Revenue comes from government clients and public transportation authorities for metro extensions, railway tunnels, highway projects, and municipal infrastructure. Contract values are substantial, such as the S$199 million Downtown Line 2 extension contract in Singapore.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

China Railway Tunnel Group Co. (CRTG) designs and constructs tunnel and underground infrastructure projects for railway, metro, highway, municipal, hydropower, and subsea applications. The company self-develops and deploys Tunnel Boring Machine (TBM) technology—including China's first three-mode TBM, super-large diameter subsea TBMs (15.53m), and small-diameter TBMs—to deliver complex tunneling works globally for government transportation authorities.

Product overview

China Railway Tunnel Group Co. (CRTG) is a tunnel construction company offering a comprehensive portfolio of services centered around tunnel boring machine (TBM) technology and underground construction. The company operates through distinct service lines: Railway Projects, Highway Projects, MRT & LRT Projects, Municipal Projects, Hydropower & Water Conservancy Projects, and Overseas Projects. CRTG's core technology offerings include Three-Mode TBM (slurry, earth pressure, and hard-rock modes), advanced Cutter-Head & Cutter Technology with pressure cutter systems up to 560t weight, System Integration & Control, and specialized Key Laboratory R&D services. The company serves both domestic China and international markets with projects including subsea tunnels (Shantou Bay Tunnel, Mawan Cross-sea Passage), urban transit systems (Singapore Downtown Line, Stockholm Metro, Santiago Metro), and mining infrastructure (Shargun Coal Mine in Uzbekistan).

Differentiator

Problem solved

Functional benefit

Products and services

• Railway Tunnel Construction Services End-to-end design and construction of railway tunnels for high-speed rail, conventional rail, and mountain rail routes, using both drill-and-blast and TBM methods. Targeted at government railway authorities.
• MRT & LRT Tunnel Construction Services Design and construction of Mass Rapid Transit and Light Rail Transit tunnels, including underground stations, bored tunnels, and cut-and-cover works for urban transit authorities.
• Highway Tunnel Construction Services Construction of highway tunnels including mountain tunnels and underwater passages for national and regional highway authorities.
• Municipal Tunnel Construction Services Construction of urban infrastructure tunnels for sewage, water conveyance, and utility tunnel applications serving municipal authorities.
• Hydropower & Water Conservancy Tunnel Construction Services Design and construction of tunnels for hydroelectric facilities and water diversion projects, including water conveyance tunnels such as the Liaoning Dahuofang project.
• Overseas Tunnel Construction Services International tunnel construction contracting covering metro, railway, highway, and shaft projects delivered in Singapore, Sweden, Israel, Chile, Peru, Uzbekistan, Georgia, and Macau.
• Tunnel Boring Machine (TBM) Construction Services Provision of large-diameter and super-large diameter TBM excavation services including subsea tunnels, hard-rock TBM, and multi-mode TBM (slurry, earth pressure, and hard-rock modes) for complex geological conditions.
• Shaft Sinking Equipment Construction Services Specialized vertical shaft construction services using drilling rigs, shaft boring machines, hoisting equipment, and support structures for mining, infrastructure, and underground storage applications.

Quantifiable outcome

• 3,000,000 accident-free man-hours achieved on Singapore C885 project in July 2022
• +4 more outcomes

Named customers7 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability10 records

Feature5 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• Land Transport Authority (LTA) SingaporecoreStrategic or Co-development Partner · 16 March 2026LTA awarded S$199 million contract to CRTG for design and construction of 1.8km tunnels for Downtown Line 2 extension in Singapore. Construction scheduled to start Q3 2026 and complete by 2035.
• Guangzhou Metro GroupcoreStrategic or Co-development Partner · 16 September 2022Joint development of China's first three-mode TBM for Guangzhou Metro Line 7 Phase II project. Guangzhou Metro Group, together with China Railway (Guangzhou) Investment & Development Co., Ltd., China Railway Engineering Equipment Group, and CRTG developed the innovative three-mode TBM combining slurry, earth pressure, and hard rock modes.
• China Railway (Guangzhou) Investment & Development Co., Ltd.coreStrategic or Co-development Partner · 16 September 2022Partnership for development of China's first three-mode TBM technology. The joint effort developed the innovative TBM system for Luogang-Shuixi tunnel project.
• China Railway Engineering Equipment GroupcoreTechnology or Integration · 16 September 2022Partnered with CRTG to develop three-mode TBM technology. Also jointly developed small diameter TBM (3.38m) for Macau sewage pipeline project featuring shuttle-shaped structure and 50m minimum turning radius capability.
• Metro de SantiagocoreStrategic or Co-development Partner · 23 December 2020Metro de Santiago awarded CRTG the Santiago Metro Line 2 Extension Project Tramo 3. CRTG Chile received Certificate of Works Progress with 95% safety audit compliance and 97% environmental audit compliance. Construction completed successfully despite COVID-19 and social unrest challenges.
• UITP (International Public Transport Association)minorGTM or Marketing Partner · 9 June 2019CRTG participated in UITP exhibition 2019 in Stockholm (approximately 96 countries, 1,500 companies, 18,000+ attendees) to promote Belt and Road Initiative and seek international cooperation. General manager Liu Chenyu gave keynote speech on 'Tunnelling To Link the World'.
• Stockholm Metro Company SLcoreStrategic or Co-development Partner · 9 June 2019Stockholm Metro Company SL was the host of UITP 2019 and awarded multiple contracts to CRTG for Stockholm Metro Extension including Contract 8715 for Jarla Station and Tunnel construction. CRTG established subsidiary CRTG Engineering (Sweden) AB in Stockholm as strategic entry to Nordic market.
• NTA - Metropolitan Mass Transit System Ltd. (Israel)coreStrategic or Co-development Partner · 3 February 2019NTA is the owner of Tel Aviv Light Rail Red Line project. Awarded CRTG three annual safety honors in 2019 including Excellent Safety Manager awards. NTA is a member of UITP and was keynote speaker at UITP seminar praising CRTG's professional technical strength and construction management capability.
• NTA - Metropolitan Mass Transit System Ltd. (Israel)coreStrategic or Co-development Partner · 1 January 2019First light rail project in Israel undertaken by CRTG. Project includes 23.5km Red Line with 15.9km underground section, 9 underground stations, and track construction. CRTG demonstrated professional and efficient construction complying with European standards.
• Uzbekistan Railways (UTY)coreStrategic or Co-development Partner · 22 June 2016Long-standing partnership for major infrastructure projects including Angren-Pap Railway Qamchiq Tunnel (19.2km, completed in 2016) and Shargun Coal Mine Modernization Project. President Shavkat Mirziyoyev of Uzbekistan personally inspected projects and expressed appreciation for CRTG's work.

Scale indicators5 records

Recent moves6 records

Expansion highlights7 records

Direct peers

• Obayashi Corporation: Major Japanese general contractor with deep tunnel and underground construction expertise, particularly on Shinkansen and metro extensions across diverse geological conditions. Comparable as a high-skill, high-safety tunneling contractor competing for cross-border mega-tunnel projects.
• China Railway Construction Corporation (CRCC): China's other major state-owned railway construction conglomerate, directly competing with CRTG on metro, high-speed rail, and highway tunnel tenders across both domestic and Belt and Road markets. Highly comparable in business model (SOE subsidiary structure), customer base (Chinese government and state-owned rail authorities), and TBM-driven tunneling capability.
• Bouygues Travaux Publics: European tunneling specialist and division of Bouygues Construction with deep experience on metro, subsea, and large-diameter TBM projects (e.g., Grand Paris Express). Direct competitor on international metro and underground tenders, with comparable TBM fleet and safety credentials.
• Webuild S.p.A. Italian-based global tunneling and infrastructure specialist (formerly Salini Impregilo) with extensive TBM expertise across metro, railway, and hydropower tunneling. Comparable in mixed-mode TBM deployment and execution of long-distance, mixed-geology tunnels internationally.
• Herrenknecht AG: World's leading TBM manufacturer and tunneling solutions provider, supplying the proprietary machines CRTG operates. Highly comparable on the technology axis — both hold multi-mode TBM (slurry/EPB/hard-rock) and super-large diameter TBM know-how — and competes for tunneling scopes globally, including in Singapore and Europe.
• Shimizu Corporation: Japanese major contractor with a strong tunneling and underground space practice (subsea, mountain, and urban metro tunnels). Competes with CRTG in Asia and on international tenders, with comparable technology-driven, safety-first execution model.
• Strabag SE: European construction leader with established tunneling and underground construction practice. Competes with CRTG for international metro and rail tunnel tenders, particularly in Europe and Central Asia, on a comparable technical-tunneling business model.
• Skanska AB: Swedish-headquartered construction major that is a direct competitor to CRTG on Stockholm Metro and other Nordic tunnel/underground projects. Comparable in metro tunneling scope, European compliance certifications, and CEEQUAL-aligned safety/quality culture.

Broad incumbents

• China Communications Construction Company (CCCC): Large Chinese state-owned infrastructure conglomerate with overlapping subsea tunnel, port, and bridge construction capabilities. Direct competitor on cross-sea passage and underwater tunnel mega-projects like Mawan and Shenzhen-Zhongshan, and part of the same state-sponsored outbound infrastructure ecosystem.
• Power Construction Corporation of China (PowerChina): Major SOE with hydropower tunneling and underground works division that competes directly with CRTG on hydropower/water conveyance and shaft sinking projects. Comparable as a state-owned heavy civil infrastructure builder with international project execution across the BRI geographies.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/ChinaTunne78656
• YouTubeyoutube.com/channel/UC_crtg
• Facebookfacebook.com/China-Railway-Tunnel-Group-Co-LTD-100091623293493
• Instagraminstagram.com/crtg
• LinkedInlinkedin.com/company/china-railway-tunnel-group-co-ltd

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries9 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about China Railway Tunnel Group Co.