盾构隧道钻掘机市场－全球产业规模、份额、趋势、机会及预测（依组件、产品类型、开挖方法、地区及竞争格局划分，2021-2031年）

全球盾构隧道钻掘机市场预计将从 2025 年的 67.4 亿美元成长到 2031 年的 92.9 亿美元，复合年增长率为 5.49%。

这些先进的钻探系统旨在穿透各种地质构造，同时安装混凝土衬砌管片，并确保隧道的结构完整性。产业成长的主要驱动力是快速的都市化，这需要高效的地下公共交通系统以及用于用水和污水处理的扩建公用设施走廊。这些基础设施需求持续推动对自动化隧道掘进设备的需求，这些设备能够在人口稠密地区安全运作，且不会干扰地面活动。

市场发展的主要障碍之一是这些复杂工程系统所需的大量资本投资，以及运输和组装的物流挑战。成本上升往往导致计划核准延误，并给承包商的预算带来压力，尤其是在资金有限的开发中国家。根据德国地下交通设施研究协会（RAUTF）统计，到2024年，德国规划的干线铁路隧道总长度将超过404公里。如此规模的开发需要大量的资金和技术资源，这可能成为市场准入的障碍，并延误计划执行。

市场驱动因素

全球高速铁路和地铁网路的扩张是全球盾构隧道钻掘机市场的主要驱动力。加速的都市化负责人城市规划者优先考虑地下交通解决方案，从而导致对能够在拥挤的城市环境中掘进的先进盾构隧道掘进机的订单增加。这一趋势正在推动大规模铁路走廊采用高容量掘进机。例如，Webild集团在2024年4月发布的报告显示，西西里岛正在建设的一条200公里长的铁路网络将需要19次计划中的盾构隧道掘进作业，这凸显了该行业对机械化隧道掘进的依赖。同样，亚洲的强劲需求也体现在Terratec公司于2024年9月为清奈地铁关键地下路段供应了七台盾构隧道钻掘机中的五台，显示该交通枢纽建设项目的设备采购规模庞大。

此外，随着采矿和水力发电发电工程采用率的不断提高，市场应用范围已从交通运输领域扩展到其他领域。全球能源转型需要对水力发电和输水系统进行深基坑开挖，而盾构隧道钻掘机（TBM）相比传统的钻爆法具有显着的速度优势。这些机器对于应对这些能源计划中固有的复杂地质条件至关重要。为了证明其高效性，罗宾斯公司于2024年6月宣布，其双盾构隧道掘进机提前11个月完成了尼泊尔孙科西-马利努多用途引水计划中13.3公里长的隧道掘进。这项成就进一步巩固了公共产业领域对自动化掘进解决方案的偏好，并确保了该技术在各个基础设施领域的持续市场成长。

市场挑战

盾构隧道钻掘机所需的大量资本投入是限制市场成长的一大障碍。这些专用钻探系统需要进行大量客製化以适应特定的地质剖面，这需要大量的领先资金用于设计、製造和测试。这种财务负担不仅限于初始购置价格；运输重型零件的物流成本以及现场组装所需的技术专长进一步增加了总预算。因此，中小型承包商往往被排除在大型竞标之外，市场参与企业通常仅限于财力雄厚的公司。

这种资本密集型投资模式会延长计划核可阶段，直接影响市场扩张，因为为高价值资产筹集资金筹措通常是一个漫长的过程。在基础设施预算紧张的经济体中，这些高成本可能导致计划取消或无限期延期。根据中国施工机械协会预测，到2024年，中国隧道钻掘机市场规模预计将达到400亿元。如此庞大的数字显示了投资规模之大，而这仍然是限制隧道掘进机在全球推广和应用的主要阻碍因素。

市场趋势

将人工智慧 (AI) 整合到自主式隧道掘进机 (TBM) 作业中，透过减少在危险地下环境中的人工干预，正在革新调查方法。製造商目前正将机器学习演算法和机器人系统直接整合到 TBM 结构中，从而实现关键维护任务的自动化和导向参数的即时最佳化。这项技术进步降低了在高压环境下介入所带来的安全风险，同时也减少了因人工维护造成的运作。根据 CREC 公司 2025 年 4 月发布的公告，新推出的「CREC 1459」大型泥水式 TBM 配备了智慧刀盘更换机器人，可实现无人值守的刀具更换，与传统的人工操作相比，维护效率提高了 5 到 8 倍。

同时，为实现全球碳中和目标，节能环保的隧道挖进技术研发日益受到重视。这一趋势透过大规模翻新重型设备零件和采用电力驱动系统，促进了循环经济的发展，从而降低了长距离蕴藏量过程中的能源消耗。延长高资本密集设备的使用寿命，使建筑公司能够有效管理资本支出，同时减少基础设施计划的碳足迹。根据《T&UC》杂誌2025年2月发布的关于海瑞克公司在2025年德国慕尼黑国际工程机械展（Bauma 2025）展位的报道，与全新生产相比，使用专业翻新的隧道掘进机零件和机械设备可减少高达95%的二氧化碳排放。

目录

第一章概述

第二章调查方法

第三章执行摘要

第四章：客户评价

第五章 全球盾构隧道钻掘机市场展望

• 市场规模及预测
  • 按金额
• 市占率及预测
  • 按部件（切割头、防护罩、皮带输送机、排渣槽、排渣环）
  • 依产品类型（单盾掘进机、双盾掘进机、抓斗式掘进机、泥浆式掘进机、土压平衡盾构机、混合式盾构机）
  • 透过隧道开挖方法（管片衬砌、顶管）
  • 按地区
  • 按公司（2025 年）
• 市场地图

第六章 北美盾构隧道钻掘机市场展望

• 市场规模及预测
• 市占率及预测
• 北美洲：国家分析
  • 我们
  • 加拿大
  • 墨西哥

7. 欧洲盾构隧道钻掘机市场展望

• 市场规模及预测
• 市占率及预测
• 欧洲：国家分析
  • 德国
  • 法国
  • 英国
  • 义大利
  • 西班牙

8. 亚太地区盾构隧道钻掘机市场展望

• 市场规模及预测
• 市占率及预测
• 亚太地区：国家分析
  • 中国
  • 印度
  • 日本
  • 韩国
  • 澳洲

9. 中东和非洲盾构隧道钻掘机市场展望

• 市场规模及预测
• 市占率及预测
• 中东和非洲：国家分析
  • 沙乌地阿拉伯
  • 阿拉伯聯合大公国
  • 南非

第十章：南美洲盾构隧道钻掘机市场展望

• 市场规模及预测
• 市占率及预测
• 南美洲：国家分析
  • 巴西
  • 哥伦比亚
  • 阿根廷

第十一章 市场动态

• 司机
• 任务

第十二章 市场趋势与发展

• 併购
• 产品发布
• 最新进展

第十三章 全球盾构隧道钻掘机市场：SWOT分析

第十四章：波特五力分析

• 产业竞争
• 新进入者的可能性
• 供应商电力
• 顾客权力
• 替代品的威胁

第十五章 竞争格局

• Herrenknecht AG
• Komatsu Ltd
• The Robbins Company
• Mitsubishi Heavy Industries, Ltd.
• Kawasaki Heavy Industries, Ltd.
• Hitachi Zosen Corporation
• China Railway Construction Corporation
• Tianhe Mechanical Equipment Co., Ltd
• Liaoning Censcience Industry Co., Ltd.
• Shanghai Tunnel Engineering Co., Ltd.

第十六章 策略建议

第十七章：关于研究公司及免责声明

The Global Shield Tunnel Boring Machine Market is projected to expand from USD 6.74 Billion in 2025 to USD 9.29 Billion by 2031, reflecting a Compound Annual Growth Rate (CAGR) of 5.49%. These sophisticated excavation systems are engineered to drill through varied geological layers while simultaneously installing concrete lining segments to ensure tunnel structural integrity. The industry's growth is largely underpinned by rapid urbanization, which demands efficient underground mass transit systems and expanded utility corridors for water and sewage management. Such infrastructure necessities generate a continuous demand for automated tunneling equipment that can operate safely within densely populated areas without disturbing surface-level activities.

One major obstacle hindering market progress is the significant capital investment needed for these complex engineering systems, coupled with the logistical complexities of transportation and assembly. Elevated costs often delay project approvals and burden contractor budgets, particularly in developing nations with limited funding. According to the Research Association for Underground Transportation Facilities, the planned volume of main-line railway tunnels in Germany exceeded 404 kilometers in 2024. This scale of development highlights the immense financial and technical resources required, which can act as a barrier to market entry and slow down project execution.

Market Driver

The proliferation of global high-speed rail and metro networks serves as a primary catalyst for the Global Shield Tunnel Boring Machine Market. As urbanization accelerates, city planners are prioritizing subterranean transit solutions, resulting in increased orders for advanced shield TBMs capable of navigating congested urban environments. This trend drives the deployment of high-volume machinery for extensive railway corridors. For instance, Webuild Group reported in April 2024 that they are constructing a 200-kilometer railway network in Sicily requiring 19 planned TBM excavations, underscoring the sector's reliance on mechanized tunneling. Similarly, strong demand in Asia was evidenced by Terratec in September 2024, when the firm supplied five out of seven TBMs for a vital underground package on the Chennai Metro, highlighting the scale of equipment procurement for developing transit hubs.

Furthermore, rising adoption in mining and hydropower projects is broadening market applications beyond the transport sector. The global energy transition requires deep excavations for hydroelectric power and water conveyance systems, where Shield TBMs provide superior speed advantages over traditional drill-and-blast techniques. These machines are crucial for handling the complex geology inherent in such energy projects. Confirming this efficiency, The Robbins Company noted in June 2024 that a Double Shield TBM completed a 13.3-kilometer tunnel for the Sunkoshi Marin Diversion Multipurpose Project in Nepal eleven months ahead of schedule. This achievement reinforces the utility sector's preference for automated boring solutions, ensuring sustained market growth across diverse infrastructure verticals.

Market Challenge

The immense capital investment necessary for Shield Tunnel Boring Machines represents a significant barrier to market growth. These specialized excavation systems demand extensive customization to accommodate specific geological profiles, requiring substantial upfront financial resources for design, manufacturing, and testing. The financial burden extends well beyond the initial purchase, as logistical costs for transporting heavy components and the technical expertise required for on-site assembly further inflate overall budgets. Consequently, smaller contractors are frequently excluded from bidding on major tenders, restricting market participation primarily to financially robust entities.

This financial intensity directly affects market expansion by elongating the project approval phase, as securing funding for such high-value assets is often a protracted process. In economies constrained by tight infrastructure budgets, these elevated costs can result in project cancellations or indefinite delays. According to the China Construction Machinery Association, the market scale for tunnel boring machines in China was projected to reach 40 billion yuan in 2024. Such massive financial figures demonstrate the magnitude of investment involved, which remains a primary constraint on the wider global adoption and deployment of these systems.

Market Trends

The integration of Artificial Intelligence for autonomous TBM operation is revolutionizing excavation methodologies by reducing human intervention in hazardous subterranean settings. Manufacturers are now embedding machine learning algorithms and robotic systems directly into TBM architectures to automate critical maintenance tasks and optimize steering parameters in real-time. This technological advancement mitigates safety risks associated with hyperbaric interventions while decreasing operational downtime caused by manual servicing. According to CREG in April 2025, the newly deployed 'CREC 1459' mega slurry TBM features an intelligent disc cutter changing robot that enables unmanned tool replacement, improving maintenance efficiency by five to eight times compared to conventional manual procedures.

Concurrently, the development of energy-efficient and green tunneling technologies is gaining traction as the sector aligns with global carbon neutrality mandates. This trend emphasizes the circular economy through the extensive remanufacturing of heavy machinery components and the adoption of electric drive systems that reduce energy consumption during long-distance bores. By extending the lifecycle of capital-intensive equipment, contractors can lower the embodied carbon of infrastructure projects while effectively managing capital expenditures. As reported by T&UC Magazine in February 2025 regarding Herrenknecht's display at bauma 2025, utilizing professionally rebuilt TBM components and machines can reduce CO2 emissions by up to 95% relative to producing new units.

Key Market Players

• Herrenknecht AG
• Komatsu Ltd
• The Robbins Company
• Mitsubishi Heavy Industries, Ltd.
• Kawasaki Heavy Industries, Ltd.
• Hitachi Zosen Corporation
• China Railway Construction Corporation
• Tianhe Mechanical Equipment Co., Ltd
• Liaoning Censcience Industry Co., Ltd.
• Shanghai Tunnel Engineering Co., Ltd.

Report Scope

In this report, the Global Shield Tunnel Boring Machine Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

Shield Tunnel Boring Machine Market, By Components

• Cutter Head
• Shield
• Belt Conveyor
• Muck Chutes
• Muck Ring

Shield Tunnel Boring Machine Market, By Product Type

• Single Shield TBM
• Double Shield TBM
• Gripper TBM
• Slurry TBM
• Earth Pressure Balance Shield TBM
• Mix Shield TBM

Shield Tunnel Boring Machine Market, By Tunneling Method

• Segmental Lining
• Pipe Jacking

Shield Tunnel Boring Machine Market, By Region

• North America
  • United States
  • Canada
  • Mexico
• Europe
  • France
  • United Kingdom
  • Italy
  • Germany
  • Spain
• Asia Pacific
  • China
  • India
  • Japan
  • Australia
  • South Korea
• South America
  • Brazil
  • Argentina
  • Colombia
• Middle East & Africa
  • South Africa
  • Saudi Arabia
  • UAE

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Shield Tunnel Boring Machine Market.

Available Customizations:

Global Shield Tunnel Boring Machine Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

Company Information

• Detailed analysis and profiling of additional market players (up to five).

Table of Contents

1. Product Overview

• 1.1. Market Definition
• 1.2. Scope of the Market
  • 1.2.1. Markets Covered
  • 1.2.2. Years Considered for Study
  • 1.2.3. Key Market Segmentations

2. Research Methodology

• 2.1. Objective of the Study
• 2.2. Baseline Methodology
• 2.3. Key Industry Partners
• 2.4. Major Association and Secondary Sources
• 2.5. Forecasting Methodology
• 2.6. Data Triangulation & Validation
• 2.7. Assumptions and Limitations

3. Executive Summary

• 3.1. Overview of the Market
• 3.2. Overview of Key Market Segmentations
• 3.3. Overview of Key Market Players
• 3.4. Overview of Key Regions/Countries
• 3.5. Overview of Market Drivers, Challenges, Trends

4. Voice of Customer

5. Global Shield Tunnel Boring Machine Market Outlook

• 5.1. Market Size & Forecast
  • 5.1.1. By Value
• 5.2. Market Share & Forecast
  • 5.2.1. By Components (Cutter Head, Shield, Belt Conveyor, Muck Chutes, Muck Ring)
  • 5.2.2. By Product Type (Single Shield TBM, Double Shield TBM, Gripper TBM, Slurry TBM, Earth Pressure Balance Shield TBM, Mix Shield TBM)
  • 5.2.3. By Tunneling Method (Segmental Lining, Pipe Jacking)
  • 5.2.4. By Region
  • 5.2.5. By Company (2025)
• 5.3. Market Map

6. North America Shield Tunnel Boring Machine Market Outlook

• 6.1. Market Size & Forecast
  • 6.1.1. By Value
• 6.2. Market Share & Forecast
  • 6.2.1. By Components
  • 6.2.2. By Product Type
  • 6.2.3. By Tunneling Method
  • 6.2.4. By Country
• 6.3. North America: Country Analysis
  • 6.3.1. United States Shield Tunnel Boring Machine Market Outlook
    • 6.3.1.1. Market Size & Forecast
      • 6.3.1.1.1. By Value
    • 6.3.1.2. Market Share & Forecast
      • 6.3.1.2.1. By Components
      • 6.3.1.2.2. By Product Type
      • 6.3.1.2.3. By Tunneling Method
  • 6.3.2. Canada Shield Tunnel Boring Machine Market Outlook
    • 6.3.2.1. Market Size & Forecast
      • 6.3.2.1.1. By Value
    • 6.3.2.2. Market Share & Forecast
      • 6.3.2.2.1. By Components
      • 6.3.2.2.2. By Product Type
      • 6.3.2.2.3. By Tunneling Method
  • 6.3.3. Mexico Shield Tunnel Boring Machine Market Outlook
    • 6.3.3.1. Market Size & Forecast
      • 6.3.3.1.1. By Value
    • 6.3.3.2. Market Share & Forecast
      • 6.3.3.2.1. By Components
      • 6.3.3.2.2. By Product Type
      • 6.3.3.2.3. By Tunneling Method

7. Europe Shield Tunnel Boring Machine Market Outlook

• 7.1. Market Size & Forecast
  • 7.1.1. By Value
• 7.2. Market Share & Forecast
  • 7.2.1. By Components
  • 7.2.2. By Product Type
  • 7.2.3. By Tunneling Method
  • 7.2.4. By Country
• 7.3. Europe: Country Analysis
  • 7.3.1. Germany Shield Tunnel Boring Machine Market Outlook
    • 7.3.1.1. Market Size & Forecast
      • 7.3.1.1.1. By Value
    • 7.3.1.2. Market Share & Forecast
      • 7.3.1.2.1. By Components
      • 7.3.1.2.2. By Product Type
      • 7.3.1.2.3. By Tunneling Method
  • 7.3.2. France Shield Tunnel Boring Machine Market Outlook
    • 7.3.2.1. Market Size & Forecast
      • 7.3.2.1.1. By Value
    • 7.3.2.2. Market Share & Forecast
      • 7.3.2.2.1. By Components
      • 7.3.2.2.2. By Product Type
      • 7.3.2.2.3. By Tunneling Method
  • 7.3.3. United Kingdom Shield Tunnel Boring Machine Market Outlook
    • 7.3.3.1. Market Size & Forecast
      • 7.3.3.1.1. By Value
    • 7.3.3.2. Market Share & Forecast
      • 7.3.3.2.1. By Components
      • 7.3.3.2.2. By Product Type
      • 7.3.3.2.3. By Tunneling Method
  • 7.3.4. Italy Shield Tunnel Boring Machine Market Outlook
    • 7.3.4.1. Market Size & Forecast
      • 7.3.4.1.1. By Value
    • 7.3.4.2. Market Share & Forecast
      • 7.3.4.2.1. By Components
      • 7.3.4.2.2. By Product Type
      • 7.3.4.2.3. By Tunneling Method
  • 7.3.5. Spain Shield Tunnel Boring Machine Market Outlook
    • 7.3.5.1. Market Size & Forecast
      • 7.3.5.1.1. By Value
    • 7.3.5.2. Market Share & Forecast
      • 7.3.5.2.1. By Components
      • 7.3.5.2.2. By Product Type
      • 7.3.5.2.3. By Tunneling Method

8. Asia Pacific Shield Tunnel Boring Machine Market Outlook

• 8.1. Market Size & Forecast
  • 8.1.1. By Value
• 8.2. Market Share & Forecast
  • 8.2.1. By Components
  • 8.2.2. By Product Type
  • 8.2.3. By Tunneling Method
  • 8.2.4. By Country
• 8.3. Asia Pacific: Country Analysis
  • 8.3.1. China Shield Tunnel Boring Machine Market Outlook
    • 8.3.1.1. Market Size & Forecast
      • 8.3.1.1.1. By Value
    • 8.3.1.2. Market Share & Forecast
      • 8.3.1.2.1. By Components
      • 8.3.1.2.2. By Product Type
      • 8.3.1.2.3. By Tunneling Method
  • 8.3.2. India Shield Tunnel Boring Machine Market Outlook
    • 8.3.2.1. Market Size & Forecast
      • 8.3.2.1.1. By Value
    • 8.3.2.2. Market Share & Forecast
      • 8.3.2.2.1. By Components
      • 8.3.2.2.2. By Product Type
      • 8.3.2.2.3. By Tunneling Method
  • 8.3.3. Japan Shield Tunnel Boring Machine Market Outlook
    • 8.3.3.1. Market Size & Forecast
      • 8.3.3.1.1. By Value
    • 8.3.3.2. Market Share & Forecast
      • 8.3.3.2.1. By Components
      • 8.3.3.2.2. By Product Type
      • 8.3.3.2.3. By Tunneling Method
  • 8.3.4. South Korea Shield Tunnel Boring Machine Market Outlook
    • 8.3.4.1. Market Size & Forecast
      • 8.3.4.1.1. By Value
    • 8.3.4.2. Market Share & Forecast
      • 8.3.4.2.1. By Components
      • 8.3.4.2.2. By Product Type
      • 8.3.4.2.3. By Tunneling Method
  • 8.3.5. Australia Shield Tunnel Boring Machine Market Outlook
    • 8.3.5.1. Market Size & Forecast
      • 8.3.5.1.1. By Value
    • 8.3.5.2. Market Share & Forecast
      • 8.3.5.2.1. By Components
      • 8.3.5.2.2. By Product Type
      • 8.3.5.2.3. By Tunneling Method

9. Middle East & Africa Shield Tunnel Boring Machine Market Outlook

• 9.1. Market Size & Forecast
  • 9.1.1. By Value
• 9.2. Market Share & Forecast
  • 9.2.1. By Components
  • 9.2.2. By Product Type
  • 9.2.3. By Tunneling Method
  • 9.2.4. By Country
• 9.3. Middle East & Africa: Country Analysis
  • 9.3.1. Saudi Arabia Shield Tunnel Boring Machine Market Outlook
    • 9.3.1.1. Market Size & Forecast
      • 9.3.1.1.1. By Value
    • 9.3.1.2. Market Share & Forecast
      • 9.3.1.2.1. By Components
      • 9.3.1.2.2. By Product Type
      • 9.3.1.2.3. By Tunneling Method
  • 9.3.2. UAE Shield Tunnel Boring Machine Market Outlook
    • 9.3.2.1. Market Size & Forecast
      • 9.3.2.1.1. By Value
    • 9.3.2.2. Market Share & Forecast
      • 9.3.2.2.1. By Components
      • 9.3.2.2.2. By Product Type
      • 9.3.2.2.3. By Tunneling Method
  • 9.3.3. South Africa Shield Tunnel Boring Machine Market Outlook
    • 9.3.3.1. Market Size & Forecast
      • 9.3.3.1.1. By Value
    • 9.3.3.2. Market Share & Forecast
      • 9.3.3.2.1. By Components
      • 9.3.3.2.2. By Product Type
      • 9.3.3.2.3. By Tunneling Method

10. South America Shield Tunnel Boring Machine Market Outlook

• 10.1. Market Size & Forecast
  • 10.1.1. By Value
• 10.2. Market Share & Forecast
  • 10.2.1. By Components
  • 10.2.2. By Product Type
  • 10.2.3. By Tunneling Method
  • 10.2.4. By Country
• 10.3. South America: Country Analysis
  • 10.3.1. Brazil Shield Tunnel Boring Machine Market Outlook
    • 10.3.1.1. Market Size & Forecast
      • 10.3.1.1.1. By Value
    • 10.3.1.2. Market Share & Forecast
      • 10.3.1.2.1. By Components
      • 10.3.1.2.2. By Product Type
      • 10.3.1.2.3. By Tunneling Method
  • 10.3.2. Colombia Shield Tunnel Boring Machine Market Outlook
    • 10.3.2.1. Market Size & Forecast
      • 10.3.2.1.1. By Value
    • 10.3.2.2. Market Share & Forecast
      • 10.3.2.2.1. By Components
      • 10.3.2.2.2. By Product Type
      • 10.3.2.2.3. By Tunneling Method
  • 10.3.3. Argentina Shield Tunnel Boring Machine Market Outlook
    • 10.3.3.1. Market Size & Forecast
      • 10.3.3.1.1. By Value
    • 10.3.3.2. Market Share & Forecast
      • 10.3.3.2.1. By Components
      • 10.3.3.2.2. By Product Type
      • 10.3.3.2.3. By Tunneling Method

11. Market Dynamics

• 11.1. Drivers
• 11.2. Challenges

12. Market Trends & Developments

• 12.1. Merger & Acquisition (If Any)
• 12.2. Product Launches (If Any)
• 12.3. Recent Developments

13. Global Shield Tunnel Boring Machine Market: SWOT Analysis

14. Porter's Five Forces Analysis

• 14.1. Competition in the Industry
• 14.2. Potential of New Entrants
• 14.3. Power of Suppliers
• 14.4. Power of Customers
• 14.5. Threat of Substitute Products

15. Competitive Landscape

• 15.1. Herrenknecht AG
  • 15.1.1. Business Overview
  • 15.1.2. Products & Services
  • 15.1.3. Recent Developments
  • 15.1.4. Key Personnel
  • 15.1.5. SWOT Analysis
• 15.2. Komatsu Ltd
• 15.3. The Robbins Company
• 15.4. Mitsubishi Heavy Industries, Ltd.
• 15.5. Kawasaki Heavy Industries, Ltd.
• 15.6. Hitachi Zosen Corporation
• 15.7. China Railway Construction Corporation
• 15.8. Tianhe Mechanical Equipment Co., Ltd
• 15.9. Liaoning Censcience Industry Co., Ltd.
• 15.10. Shanghai Tunnel Engineering Co., Ltd.

16. Strategic Recommendations

17. About Us & Disclaimer