Service Cases
The company specializes in the research and development, sales, application, and technical services of engineering materials in the field of safety of engineering structures such as hydropower dams, high-speed railways, and subway tunnels.
Qingdao Metro Line 7 project
2025-05-09
Project Name: Qingdao Metro Line 7 Tunnel Segment Backfilling Grouting Treatment
Material Used: 9105 Emergency Oil-Soluble Polyurethane Grouting Material (Flame Retardant Type)
Treatment Result: The 9105 emergency oil-soluble polyurethane grouting material was used to grout and reinforce the defects behind the tunnel segments, effectively solving the problems of leakage and deformation.
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