北京格瑞迪斯石油技术有限公司
Grandoil was founded in 2010, a high and new tech enterprise in Beijing.
We are committed to the field of well drilling and completion, providing high-tech products and services, e.g. sealing and hole cleaning, ALWD measurement while drilling.
Grandoil operates in many oilfields in China and has on-site service bases in Huabei, Xinjiang and Sichuan areas. Services are available within 48 hours.
Website：www.grandoiltech.com