Chongqing Endurance Industrial Stock Co., Ltd. which derived from former Chongqing Instruments Factory established in 1958 is a shareholding industrial enterprise founded in 1998, mainly research and produce fluid (oil & gas) metrological and control apparatus, combustible gas equipments, environmental machinery, military equipments and special purpose vehicle, automobile shock absorber and permanently furnish professional solution, products and services for petroleum and natural gas, petrochemical, chemical, military force, city environmental protection and automobile manufacturer. The head office of Endurance Company is located in Chongqing Northern Economic & Technology Development Zone, and the production sectors distributed in Banan, Beipei, and Yubei district in Chongqing city.