Continuous Mining Machines; Drills & Drilling Equipment, Surface; Parts; Hexin Oil was Founded in 1998 to Fill the Gaps of the Oil Drill Pipe Joint Industry, which has Rewritten the History of Chinese Drill Pipe Industry. the Drill Pipe Joint Blank Maintain the first Sales Among Similar Product Market for Consecutive 12 Years, Mining Industry, Drilling Rig Tools, Mining Machinery ...

Ou Pei group's official website is an important window to communicate with the outside world, we show you the history, products, brand and culture, especially the international brand system and high ...