Government departments generally lays various kinds of underground pipeline.Including the water pipe, heating pipe, cable pipe, and other specific pipeline.We need make sure the pipeline we have to choose in the all kinds of pipeline, then we will need professional instruments and equipment.Not only determine the distribution of pipeline, but also some special condition can be determined,such as pipeline damage conditions and resistance, as well as to determine the amount of heating of the heat pipe and so on.Sometimes we need to rock and soil sampling or operation, such as punch, the corresponding devices are also equipped.