Shanghai Changji Geological Instruments Co., Ltd. is reformed from Shanghai Geological Instrument Factory, which operated directly under former Geology and Mining Ministry of China and was also the key enterprise of China Mechanical Industrial System. Our company is the only transferee of its registered trademark, all leading products and production technology, and has inherited more than 50 years' professional experience.



Shanghai Changji specializes in designing and producing petroleum instruments, highway instruments, geological prospecting instruments and other lab...