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Luoyangtengyu Tunnel Machine Co., Ltd., formerly a subsidiary of the Tunnel Engineering Bureau of the Ministry of Railways, was established in April 2006. It is a professional company integrating the development, design, manufacture and repair of tunnel, bridge and hydraulic machinery. The company has passed ISO9001 quality management system certification,environmental management system and occupational health and safety management system certification.
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Our company can design and manufacture various sizes, specifications and types of tunnel machinery trolley according to user requirements, and has won customer praise and market recognition with high-quality manufacturing and excellent service.
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Construction considerations for steel formwork

Road and bridge engineering knowledge
