We are a Group Company involved in Geophysics Instruments research and production,Roadway safety products prodction, road marking glass beads production, Mining Equipment and G-ATEM systems Proudction.We enjoy the joys with our customers including our reliable customers like large international corporations. We developed ourselves with their motivation and helps. We preferably operate in the role of act as leading manufacturers and our goal is long-term win-win situations for all parties involved. We operate according to the Responsible Care guidelines and follow high essential standards in all aspects of our business. We aim to provide a worthy working environment for people all over the world.Our Roadway Safety Products Plant, Big World Int&＃39;l Group Limited, has 14 lines for 1.55 Index Road Marking Glass Beads for BS6088, AASHTO standard,EN1424/1423, MOT, KS, Australian Standard and all other standards, 1.7 index /1.93 index glass beads from 10micron to 850micron and 2.2 high refractive Index Glass Beads, Color Glass beads for decoration, Grinding Glass Beads, Sandblasting Glass Beads and all kinds of glass grits. It is the largest producer for glass beads in China. We have been exporting to 60 countries all over the world.Our Geophysics Instruments Plant, GeoPen Inc, specializes in the design and manufacture of geophysics instruments. Our products include seismic, electric, and electromagnetic-based devices. Since our founding, Geopen has continued to be on the leading edge of geophysics instrument research. Our products include engineering seismic sensors, high density electro-resistivity sensors, cable-free seismic sensors, micro-seismic monitoring systems, active magnetic sensors, 4 degree of freedom fluid sensing systems, 2D and 3D earthquake distributed remote sensing systems, multipurpose electro-resistivity workstations, nonmetal large-scale component supersonic loss less monitoring systems, underground water monitoring systems, and urban env