QingDao Guoke Ocean Environmental Engineering & Technology Co.Ltd (QDGK) is a professional science & technology instrument company, including selling and renting marine and geophysical instruments. We have excellent cooperator with ocean university of China, scientific research centers and manufacturers. QDGK represents JW Fishier, WTW, Marine Magnetics, NKE, SIG and so on. QDGK’s instruments including magnetometers, THP ,side scan sonar, streamer, current meters, buoy, boomer system, Altus, Gas Chromatography multi – electrodes resistively survey, seismic date acquisition system, seismography, LTD-2000 survey ground radar and so on. There are more than 50 companies have supplied instruments to us, sharing more than 270 instruments. Meanwhile, our After – sale Service Department also provides installation, training and maintenance services to our customers. Our vision is to meet customer needs and pr...