Special geophone , petroleum exploration Sensor detector

Special geophone​ Low-frequency detector Special Sensor detector GD(H)-1 Fast detailed description: 1 stable and reliable parameters 2 light weight 3 good performance simple operating 4 reasonable stucture made GL1 very suitable for all kinds complex field Description: GLI Land Geophone String is a very ideal sensor for Land oil exploration. Its good performance simple operating,stable and reliable parameters,light weight,and reasonable stucture made GL1 very suitable for all