founded in 2015, is a specialized benchmark enterprise in the underground engineering sector, renowned for its technical depth and pragmatic spirit. The company possesses a robust and comprehensive qualification portfolio, holding core credentials such as the Grade I Professional Contracting Qualification for Foundation and Foundation Engineering, Grade II Professional Contracting Qualification for Tunnel Engineering, and the unrestricted Specialized Engineering (Structural Strengthening) qualification. It excels in key engineering fields such as ultra-large and ultra-deep jet grouting reinforcement, soil reinforcement using the freezing method, and reinforcement of urban rail transit connecting passages and tunnel portals. Simultaneously, the company advances theoretical research, innovative design, and development and utilization of underground spaces, alongside specialized research and development of ultra-high-pressure jet grouting machinery and equipment. This has enabled the establishment of an integrated closed-loop service system encompassing “R&D, design, construction, and equipment.”

Over the years, supported by solid technical expertise and ensured by meticulous management, the company’s business footprint has expanded across key regions in East and South China, including Jiangsu, Zhejiang, Shanghai, Fujian, and Guangdong. It has been deeply involved in critical urban rail transit projects in various locations. From ultra-large and ultra-deep high-pressure jet grouting projects and DMP digital micro-disturbance construction pile methods to the collaborative operation of triaxial mixing piles and jet grouting piles, and further to the construction of connecting passages using freezing and mining methods, as well as tunnel portal reinforcement for shield tunneling entry and exit—each technically challenging project has been executed with stringent standards throughout the entire process, delivering excellence and fulfilling commitments with outstanding quality. Thanks to its industry-leading achievements, the company’s projects have been honored with multiple prestigious awards, such as the Zhan Tianyou Civil Engineering Award, earning consistent trust from clients, supervision units, and general contractors, as well as widespread acclaim within the industry.

The company consistently adheres to the business philosophy of “building brands, shaping image, strengthening management, and striving for efficiency,” embedding the core values of “dedication to excellence, teamwork for success, rigor and precision, and innovation for long-term development” into its corporate DNA. Looking ahead, the company will continue to evolve a sustainable development model that adapts to market competition. With technological innovation as its core driving force and quality service as its foundation, it is committed to collaborating sincerely with partners from all sectors to jointly chart a brighter future for the efficient utilization of underground spaces and the synergistic development of urban ecosystems.