Daqing Jinghong Petroleum Equipment Corporation was founded in 1996. With the development in past many years, Jinghong enterprise has become a manufacturing enterprise group which integrating R&D, production, sale and the service of engineering in oil equipment field. The enterprises of grou…
DQ-70BS-JH
DQ-50B-JH
DQ-40B-JH
DQ-40YA-JH
DQ-20YA-JH