Shanghai Changji Geological Instrument Co.,Ltd is established in 1998,the former is Shanghai Geological Instrument Factory under the Ministry of  the National Geology and Mineral Resource.
Changji has four major series and more than 200 types products: more 140 types petroleum instruments,more 60 types highway instruments,each 10 types for laboratory instruments,Rotary viscosity instruments and geological instruments.Also we develop and produce more than 30 kinds of non-standard instruments according to the clients' special requirements each year.It depends on the complete category products,strong matching capacity and fast development ability,its products are not only widely used in China,but also sold and welcomed in 20 countries.
Shanghai Changji Geological Instrument Co.Ltd mainly develops and produces petroleum products analyzing instruments ,  highway detecting instruments, geological instruments and lab instruments. Shanghai Changji is with strong technical strength,  large service team and sales, and strict quality manage system makes the market superior of  Changji.
Shanghai Changji launches advanced products domestic and overseas with innovative concept continuously replying on 50 years' R&D experience in professional instruments. Among them, the automatic flash point tester, automatic viscometer, automatic moisture tester, automatic fluorescence sulfur analyzer, etc. have reached international leading level in technology. Won a wide range of trust and praise in the domestic and foreign customers. The sales value always be the first in domestic industry.

1. Are your products competitive?
Sure, we are leading manufacturers in China with more than 30 years' experience and professional team, we can guarantee high quality, provide training and good after-sales service.