is a professional geophone & hydrophone supplier who is certified by ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018. During the past years, Seis Tech has been providing diversified geophysical instrument supplying solutions for our clients in the fields Petroleum &Gas Exploration Seismic Survey, Near Surface Prospecting, Coal & Mineralization Prospecting, Construction Engineering, Hydropower, Natural Disaster Assessment, Archaeological Investigation, Security Monitoring, Industrial Vibration and ect.