Racotech Geophysical Instruments (RGI) is a leading manufacturer and supplier of seismic instruments. We specializes in design and manufacture high quality and international standard seismic geophones, strings, connectors, geophone cases& accessories for geophysical, oil and gas exploration, mining industries around the world. Racotech is tier one supplier of CNPC (China National Petroleum Corporation) , and material supplier of BGP(Bureau of Geophysical Prospecting, CNPC). Racotech is accredited with the ISO 9001:2008 quality management system, our quality control and environmental management systems can meet international standards. With 10 years experience in the seismic instrument and equipment industry, coupled with high technology, reliable products and good services, Racotech's geophysical products are widely used by geophysical companies around the world, to perform seismic data acquisition surveys on land and in transition zones (marsh and shallow water areas).