GOALTECH is a leading manufacturer and service provider of downhole accurate measuring and controlling system for oil well drilling in China. Well equipped with a strong R&D team and adequate manufacturing and testing facilities, we provide customers around the world with high quality downhole measuring systems and immediate site services. Our products are featured with categorization, standardization and module-assembly. Our business activities cover product design, R&D, manufacture of measuring equipments and supply technical services at well site. ZT-MWD and ZT-LWD measurement while drilling and logging while drilling systems that we independently developed are of the cutting-edge technologies that have filled in the blank in China in the oil well drilling field. They are highly praised by users after being applied in numerous oil well. Recently we successfully developed Nearing bit measuring system, pressure while drilling system, downhole turbine generator with high-power a