Hydrophone, Geophone, Seismic Cable manufacturer / supplier in China, offering Electricity Resistivity Ab Wires and Lines for Deep Resistivity and IP Survey to Connect Ab Electrodes in Resistivity Exploration, 6/ 12/ 24 / 48 Channel Seismic Cable and Seismograph Cable for Seismic Imaging, Land Survey Refraction, Reflection, Masw, Mam, Vsp and Rayleigh Wave Survey, Velocity Geophone 10Hz for 2D and 3D Seismic Survey and so on.