河北朗威石油装备有限公司
Exhibit Profile：
Oil Drill Pipe，Coalbed Methane Drill Pipe，Shale Gas Drill Pipe，Water well drill pipe, Geotherm drill pipe, Drill collar and kelly
Exhibits show：
Oil Drill Pipe，Coalbed Methane Drill Pipe，Shale Gas Drill Pipe，Water well drill pipe, Geotherm drill pipe, Drill collar and kelly
Exhibits show：
Website：www.lwdrill.com