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Paving the Way with Technology: Zhengxun Heavy Industry’s Three-Arm Arch Support Installation Carriage Powers China’s Tunnel Construction
Release time:
2026-07-18
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Behind every tunnel that pierces mountains and spans ridges lies the sweat and unwavering dedication of countless builders, as well as a nation’s steadfast commitment to modernizing its infrastructure. Hunan Zhengxun Heavy Industry Technology Co., Ltd., rooted in the land of Huxiang, takes “upright conduct and noble virtue” as its guiding principle and “swiftly reaching all corners of the country” as its driving aspiration. In the research, development, and manufacturing of three‑arm arch‑support installation carts, the company is fulfilling its solemn pledge: to contribute to the rejuvenation of China and to strive for a brighter future for our great nation.
In tunnel construction, the installation of arch supports is a critical process for ensuring the stability of the surrounding rock and safeguarding construction safety. However, traditional methods have long relied on manual labor: a dozen or so workers huddle around bulky steel arches, pushing and prying in narrow, damp tunnels, with each set of supports often taking three to four hours to install. This approach entails high physical exertion, low efficiency, and significant safety risks—challenges that not only burden frontline workers but also represent a major bottleneck hindering efforts to accelerate tunnel‑construction progress in China. 
The launch of the ZXGJ3000 three‑arm arch‑support installation carriage by Zhengxun Heavy Industry represents a solid response to the demands of our times through genuine technological innovation. Featuring an innovative three‑arm design, the equipment significantly expands its operational reach; from equipment mobilization to the completion of installing three arch supports, it can be accomplished in just 4 to 5 workers and 1.5 hours. Compared with conventional construction methods, this approach boosts efficiency by more than 50% while cutting labor requirements by half. As a result, each tunnel can be completed sooner, the safety of every worker is better ensured, and every project can begin contributing to economic and social development at an earlier stage.
In terms of quality and environmental protection, the Zhengxun tunneling carriage is equipped with a China‑IV‑compliant engine, significantly reducing exhaust emissions inside tunnels and effectively improving working conditions for construction personnel. It employs high‑strength, lightweight materials that balance load‑bearing rigidity with maneuverability, enabling the equipment to operate with ease in the confined spaces of tunnels. Moreover, it is versatile, capable of performing multiple tasks—including arch support installation, mesh‑panel laying, and rock‑bolt drilling—making it not just a single piece of machinery, but an integrated system solution designed to lighten the workload and boost efficiency in tunnel construction.
Zhengxun Heavy Industry firmly believes that every piece of equipment delivered is a commitment to China’s infrastructure development. Upholding the corporate spirit of “pioneering innovation and daring to lead,” the company relentlessly advances technological evolution with a mindset of “pragmatic action and relentless pursuit of excellence.” From delivering cutting-edge product capabilities to achieving full digitalization, and from creating value for customers to assuming responsibility to society, Zhengxun employees are leveraging robust, state-of-the-art technology to ensure the safety and efficiency of tunnel construction.
Upholding virtuous conduct is the cornerstone of Zhengxun’s relentless progress; reaching every corner of China is the guiding principle by which Zhengxun serves the nation and its people. On the journey toward the great rejuvenation of the Chinese nation, Zhengxun Heavy Industry aspires to wield each three‑arm arch‑support installation carriage as a brush and every mountain‑penetrating tunnel as ink, inscribing on the vast land of China a testament to the era of “Made in China” and “Created in China.”
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Changsha Base:Hunan Zenxon Heavy Industry Technology Co., Ltd.
Address: Jinrong Tongxin International Industrial Park, Changsha High-tech Zone
Loudi Base:Hunan Haoda Heavy Industry Technology Co., Ltd.
Address: Loudi Avenue, Loudi High-tech Industrial Development Zone, Lianyuan City, Loudi City, Hunan Province
Telephone:400-186-0868
E-mail:3804246750@qq.com
E-mail:19967177733@163.com
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