Jining Donghong Machinery Co., Ltd
Quality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC

ProfileOur CertificateOur AdvantageMission StatementQuality Control SystemOilfield Equipment/Drilling Rig Parts/ComponentsHeavy Equip and PartsTruck-mounted drilling rigTrailer-mounted drilling rigModular drilling rigBigEasy drilling rigHelicopter drilling rigSJ PetroleumTruck-mounted drilling rigsRG Petro drawworksRG Hook blockRg petro traveling blockRg petro hookRg petro crown blockRg petro rotary tableRg petro swivelNanyang RG PetroleumDC electric drive drilling rigAC Variable-frequency electric drive drilling rigMechanical drive drilling rigCombined drive drilling rigLand drilling rigTruck mounted drilling & workover rigsBomco rotary tableBomco swivelBomco traveling blockBomco hooksBomco crown blockBomco drawworksBomco mud pumpBomco/Baoji OilfieldHonghua Crown blockHonghua SwivelHonghua HookHonghua drawworksHonghua traveling blockHonghua rotary tableSichuan HonghuaDC motor driven drilling rigAC Variable Frequency Motor Driven Drilling Rigs Mechan-Electric Drilling RigsMechanical Driven Drilling RigsLanzhou Crown BlockLanzhou Traveling blockLanzhou HookLanzhou Hook BlockLanzhou SwivelLanzhou Rotary TableLanzhou DrawworksLanzhou Eddy current brakeLanzhou Mud pumpLanzhou Compound Transmission UnitLanzhou MastLanzhou SubstructuresLanzhou LS-NOWBPM Control System for Surface Mounted BOP StacksBPM Top driveBPMF/BPM(Beijing Petroleum)Renqiu Boke(Forward)Hysun MarineGGPMF/DONGSU(BOP CONTROL)FlowroxShenkai BOPShanghai ShenkaiCasing spoolKilling manifoldChoke manifoldKingdream Gate valveKingdream Choke valveKingdream check valveChengde KingdreamDrawworks Hydraulic Disc BrakeCentrifugal pumpMud Pump PartsBOP превенторBOP Control UnitSolid Control EquipmentWellhead Equipment & ToolsDownhole ToolsDrilling Rig Components & OthersDrawworks and PartsOther PartsRG Water Drilling Rig PartsSafety ProductHP Flow Line ProductsCrown blockUniversal JointBearingHydraulicElectricalPneumaticsHigh pressure hoseBladder AccumulatorBomco
Quality Control System

Product quality inspection system

Product quality is inspected by the quality inspection department in accordance with the drawings, process and related technical standards and technical documents, from material procurement, outsourcing parts to production process inspection, testing products and final inspection.

The quality inspection department includes quality control engineers, managers, and all kinds of full-time inspection and monitoring personnel.

The quality inspection department carry out the inspection on the production process and the each procedure : casting, forging, heat treatment, welding, machining, assembly etc.

Equipped with complete inspection tools and various measuring instruments to check and test product dimension and shape tolerance, surface roughness, hardness etc.

Equipped with MT, UT, RT, PT equipment operated by experienced technicians to make examination on materials / products Magnetic powder, ultrasonic, penetrant, ray , and make an evaluation.

Equipped with the highest standard apparatus and all kinds of precision testing equipment to test and calibration on Length, thermal, mechanical, electrical, physicochemical, etc. It guaranteed Measuring instruments Verification and management.

According to the requirements of the quality system, technicians and inspectors get professional training and assessment and all measuring instruments used for regular checking and inspection according to the regulations of the state measurement.

All the results of the inspection will be  a written document to record and report.in accordance with concerned regulation .

These reports are operated and archived in accordance with the prescribed procedures. Quality inspection department collect the quality inspection of the product and make quality analysis report to the relevant department and supervisor on time, in order to take corrective and preventive measures in time, adjust and improve the related process and management procedures, and ensure that the products of the factory are always in a stable and good quality state.

Quality management system

Quality policy: "Continuous improvement, pursuit of excellence, constantly strive for excellence, user satisfaction"

Regard improving product quality as the social responsibility that the company should perform,it is clearly stated that the general manager is the first person responsible for the quality of the company's product.

We keep pace with the times and constantly innovating on the management concept, management measures and management methods ,challenge the old concept of quality.Educating all staff firmly establish the concept of "continuous improvement, excellence", "zero defect" .Advocating the pursuit of excellence in quality management.

We continuously improve in quality upgrading and graduatly  form the  innovation based quality management system.

Quality responsibility provisions

《Quality feedback on performance

《Quality regulations concerning rewards and disciplinary sanctions

《Quality rules for the implementation

《Quality responsibility chain

《Quality traceability system

According to the principle of the process method,we ensure high quality management results with high quality process management,highly concerned about the dissatisfaction of the users,continuously improve the level of user satisfaction