Luoyang Tengyu Tunnel Machinery Co., Ltd. was established in 2006 and is a large private independent (legal person) enterprise specializing in the design, research and development, and manufacturing of railway, highway, water conservancy, hydropower, and other tunnel engineering and bridge steel formwork equipment. The company currently has over 300 employees, including 180 professional and technical personnel (10 high and middle level engineering and technical personnel), and more than 60 professional installation and after-sales service personnel. The company has fixed assets of over 60 million yuan and is located in Luoyang City (covering an area of over 50 acres). It annually produces 200 sets of steel formwork trolleys and pressure steel pipe trolleys for various railway, highway, transportation, hydropower tunnel (tunnel) projects; And all the components of the lining trolley, including hydraulic sliding membrane, box beam formwork, special-shaped pier formwork, cantilever formwork, flipping formwork, and other large-scale steel structure equipment, totaling over 20000 tons.