Tianjin Dongrui Petroleum Machinery Co.,Ltd supplies Petroleum machinery and Spare parts, Drilling rig and spare parts (Varco tesco JH TPEC Top drive, Drawworks, Hook, traveling block, Crown block etc.), Blowout preventer and spare parts(Including Rongsheng HRSB  BOP,Shenkai BOP spare parts,Cameron BOP spare parts,Shaffer BOP spare parts,hydril BOP spare parts）,Choke manifold and kill manifols and ,Valves, Mud circulating system, Sand pump, Mud agitator, Centrifuge, Bop remote control unit (Guangzhou dongsu and BPM spare parts), Flange, Drilling spool, Adapter spool, BOMCO Mud pump, Drill bits, Drilling pipe,Top drive spare parts (VARCO, CANrig, BPM,TESCO).