Sunfull has a very diverse product portfolio including: geophone elements, geophone strings, connectors, cables and other equipment. ·Geophone elements from 4Hz to 100Hz ·Geophone strings suitable for all kinds of environments such as: land , marshland , shallow and coastal water , well logging and downhole exploration · Geophone cable with diameters of 4.6mm, 5.2mm, 5.3mm, 5.5mm, 5.8mm, 6.3mm and 7.8mm. ·Telemetry cable for 408, SN388, I/O-II, BOX, ARAM etc ·Connectors for 408, KCK, MP-16, HERMA-4, 5515, 408, 388, adaption and power ·Geophone testing and string error detection equipment.