Our Great Wall main products are: BOP, Drilling Tools,Well Head Tools, Fishing Tools,Cementing Tools, F type and 3NB type spare parts of Mud Pump ,Drill Collars, Spiral Drill Collars, Integral Heavy Weight Drill Pipe, Work-over Tools, Coring Tools
Telephone:86-158-4676-6406
Address:Add: No.9, Culture Street
TianHe Oil Group Production include Drill Collar (DC),Drill pipe (DP),Heavy weight drill pipe(HWDP),square kelly,hexagonal kelly,stabilizer,Hole opener, Roller reamer, Casing scraper, Internal Cutter,External cutter,Marine or Mechanical,Key seat Reamer,Kelly Valve,Full opening ...
Telephone:86-453-5979983
Address:NO.43 West DiMing ST