Group 1 - The company Shanghai Jianke (603153.SH) confirmed its involvement in underground pipeline construction and renovation services through multiple subsidiaries [1] - The company also conducts geophysical exploration, leakage detection, and assessment for existing underground water, gas, and other pipelines [1] - An "Academician Workstation" has been established by the company to focus on cutting-edge technology and engineering application research related to "urban lifelines" [1]