Founded in 1939, Tianjin Exploration Machinery General Works (TEMGW) is a key enterprise specializing in manufacture of Hydro-well Drill Rig and Geotechnical Drill Rig. It has a history of over 50 years in manufacture of geological machinery since 1956 with sold products reaching 10, 000 sets/units both at home and abroad. As a first class medium sized state owned enterprise, TEMGW has a registered capital of RMB 14.21 million, a plant area of 39, 232 square meters, a building area of 15, 211 square meters and total equipments of 242 sets, including 28 large ones. At the moment, it has 304 employees, including 67 technicians (20%). All these enable TEMGW an enterprise with excellent infrastructure and equipments as well as solid technical strength. TEMGW has its own product design team. The technical development division, with the system of director engineer, is in charge of research and development of products in the factory. There are four workshops of machinery processing, final assembly, structure parts and bearing in TEMGW with the processes of metal cutting, gear processing, riveting and welding, assembling etc. The factory has established a completely market-oriented management system for production, marketing, technical development, financial cost control etc. The hydro-well drill rigs and geotechnical drill rigs are categorized into 2 series and over 10 products with the registered brand of â??TTâ??, such as various vehicle loading, trailer loading and independent hydro-well drill rigs, engineering construction drill rigs, long and short spiral drill rigs, geological special mud pumps, winches, jet drills, agricultural drill rigs and other boring tools. These products, with reliable performance, innovative design, simple handling procedures, reasonable prices and practical functions, has been selling over 20 provinces and municipal cities and autonomous regions in China.