石油、天然气 、化工、排水、供水、电缆、光缆等管线的检测与评价；管道非开挖修复、管网监测与管网管理系统的建设。

Detection and evaluation of pipelines such as oil, gas, chemical industry, drainage, water, cable，optical cableand other pipelines,Trenchless repair of pipelines; Construction of pipe network monitoring and management system.