Found 3 companies
317# Datunli, Chaoyang District Beijing, Beijing
Premium Raw Materials & Advanced Production Process & Technology & Quick Delivery & High-Quality Drill Tools and OCTGPetroMaterials can product drill pipe, drill collar and HWDP, high ...
No.228,Nanyi Road
Dongying Kangyu Petroleum Engineering Technology Service Co.,Ltd located in the Yellow river delta city-Dongying City, the base of the second largest oilfield in China, Shengli Oilfield. The company&a...
Found 3 companies