Luoyang China Railway Qiangli Machinery Co., Ltd. -Specializing in the R&D and manufacturing of specialized machinery and equipment for tunnel and bridge construction.

RAILWAY QIANGLI MACHINERY

Leading the development of complete set of tunneling equipment, both domestically and internationally.

The company specializes in the R&D and manufacturing of specialized machinery and equipment for tunnel and bridge construction.

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Thousands of sets of construction equipment <br/> Let Chinese engineering be etched deep into the Earth's depths.

RAILWAY QIANGLI MACHINERY

Thousands of sets of construction equipment
Let Chinese engineering be etched deep into the Earth's depths.

With advanced technology and high-quality service, we’re here to lend a helping hand in creating superior projects!

Learn more →

RAILWAY QIANGLI MACHINERY

Intelligence Leads the Future of Engineering Equipment

Our company has independently developed a new type of arch-anchor grouting integrated operation trolley, which features simultaneous functions of arch erection, anchor bolt drilling, and grouting.

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About Us

CRRC Strong Intelligence Leads the Future of Engineering Equipment

Luoyang China Railway Qiangli Machinery Co., Ltd. was formerly known as China Railway Tunnel Group Qiangli Machinery Co., Ltd. It was established in May 2006 following a corporate restructuring that separated the core business from auxiliary operations. The company specializes in the research and development and manufacturing of specialized machinery and equipment for tunnel and bridge construction, and is committed to providing one-stop solutions and automated, intelligent complete sets of equipment for various underground engineering projects. It is a specialized, sophisticated, and innovative high-tech enterprise integrating design and R&D, production manufacturing, and sales services.

The company occupies an area of over 200 mu and currently employs more than 70 mid- and senior-level technical personnel and over 300 mid- and senior-level skilled workers. It boasts modern factory facilities covering 50,000 square meters and is equipped with fully integrated machinery for machining, maintenance, and testing. Currently, the company produces over 500 sets annually of lining trolleys, gangways, wet-spray trolleys, and arch-spraying and anchoring trolleys, with an annual output value of 500 million yuan.

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30 Year

Enterprise Development History

80 +People

Mid- and senior-level technical personnel

110 +Item

Patented technology

500 +Set up

Machining and inspection equipment

1000 +Platform set

Tunneling equipment production annually

Product Center

With advanced technology and high-quality service, we’re here to lend a helping hand in creating superior projects!

QGM312A Arch Frame Installation and Drilling Rig Machine

Our company has independently developed a new type of arch frame installation and drilling rig machine, which features simultaneous functions of arch erection, anchor bolt drilling, and grouting. Without needing to leave the site, this equipment can complete the three processes—arch erection, anchor bolt installation, and grouting—in a synchronized manner. As a result, work efficiency is improved by more than 50% compared to conventional methods, the number of construction workers required is significantly reduced, and the safety index is markedly enhanced.

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Concrete Shotcrete Trolley QLS35A

Equipped with a high-power engine, it can autonomously climb slopes of up to 30%. Its four-wheel steering system ensures a minimum turning radius of just 5 meters, and when paired with an electronic shift system, it perfectly adapts to all kinds of complex operating conditions.

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Concrete Shotcrete Trolley QLS35B

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Concrete Shotcrete Trolley QLS35K

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Concrete Shotcrete Trolley

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QLK-50-6-4 Multi-functional Excavation Workbench

This equipment is equipped with mechanical devices for lifting and transferring steel arch supports, significantly reducing the labor-intensive handling and lifting required during the installation of these supports. The installed sliding platform enables the equipment to perform both full-face excavation and micro-step excavation methods.

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Invert Trestle Bridge

The tunnel invert arch trestle is a specialized construction equipment designed for tunneling operations. It is used to prevent interference between muck removal traffic and the invert arch lining, while also serving as a dedicated tool for emergency rescue and disaster relief.

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Waterproof Working Trolley

To address the issues of low intelligence and high labor intensity in tunnel waterproofing and rebar work, Luoyang China Railway Qiangli Machinery Co., Ltd. has independently developed a new intelligent integrated machine for waterproofing and rebar operations.

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Innovative and powerful, intelligent and efficient.

We specialize in the R&D and manufacturing of specialized machinery and equipment for tunnel and bridge construction, and are committed to providing one-stop solutions as well as automated and intelligent complete sets of equipment for various underground engineering projects.

Qualification patent

The company holds multiple utility model and invention patents and has been certified under the national ISO 9001:2015 Quality Management System, ISO 45001:2018 Occupational Health and Safety Management System, and ISO 14001:2015 Environmental Management System.

A concrete distributor for tunnel secondary lining.

An information-based and intelligent secondary lining trolley

A tunnel shotcrete-supporting trolley

A trolley drive device

An automatic rail feeding device

A stack-bridge-type full-section lining trolley

Construction Site Case

Nearly a hundred construction companies have established long-term, stable partnerships and are providing over 10,000 sets of construction equipment.

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Zhangzhou-Shantou High-Speed Railway

Yichang-Fuling High-Speed Railway

Zhangzhou-Shantou High-Speed Railway

Xiong’an–Xinzhou High-Speed Railway

Zhuhai–Zhaoqing High-Speed Railway

News Updates

Continuously documenting every step of China Railway Strong's development.

Company News

Industry News

What are the benefits of using a secondary lining trolley in tunnel excavation?

2025-11-13

In tunnel construction projects, the second lining trolley is widely used and is one of the most commonly employed pieces of equipment in such projects. This is a new high-tech device, many of whose designs are custom-made, enabling increased efficiency and reduced labor intensity.

What is a secondary lining trolley?

2025-11-13

The secondary lining trolley is a specialized piece of equipment used in tunnel construction. It is primarily employed for transporting and installing secondary lining materials for tunnels, such as steel mesh and shotcrete anchors. Specifically, a secondary lining trolley typically consists of several components, including a frame, a hydraulic system, a moving mechanism, a supporting device, and a fixing device.

The core automated equipment for engineering support construction

2025-11-13

In projects such as tunnels, mine roadways, and hydraulic culverts, shotcrete support is a critical process for reinforcing the surrounding rock mass and preventing collapse; it directly affects the stability of the engineering structure and construction safety.

Water Ditch Cable Tray Cart: An Efficient Auxiliary Tool for Tunnel Construction

2025-11-13

In tunnel construction, drainage ditches are responsible for removing accumulated water to ensure structural stability, while cable trays handle the orderly routing of power and communication lines. The construction quality of both plays a critical role in the long-term safe operation of the tunnel.

Using fully automatic formwork trolleys has improved construction quality.

2025-11-13

Now, as I watch the construction of one highway after another and one high-speed rail line after another, I can’t help but marvel at the greatness of China’s construction achievements. And in the process of tunneling through mountains, these projects rely on fully automated formwork trolleys.

Working Principle and Usage Precautions for Lining Carriages

2025-11-13

The lining trolley is a specialized piece of equipment used for the construction and maintenance of furnace linings. Powered by electric or hydraulic systems, the lining trolley transports lining materials and equipment to the work site.

What’s the difference between a secondary lining trolley and a tunnel trolley?

2025-11-13

Both secondary lining trolleys and tunnel trolleys are specialized equipment used for material transportation in confined spaces such as subway tunnels and tunnels. The differences between them lie in the following aspects:

The importance of technological innovation for enterprises!

2025-11-22

Technological innovation is the key to a company’s sustained development and maintaining its market competitiveness. Only by continuously pursuing technological innovation can a company remain invincible in fierce market competition and achieve sustainable development.

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Luoyang China Railway Qiangli Machinery Co., Ltd

Phone:+86-379-67851100

Email:897020395@qq.com

Address: Luoyang City, Henan Province, Circular Economy Park

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WhatsApp：8637967851100

Email：897020395@qq.com

Contact phone number：+86-379-67851100

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