DQ70BS MB330A, ZJ70D, ZJ-30C & G2113-L(B) Rig Supply

Introduction

We focus on the production and supply of high-precision, explosion-proof, and industrial-grade spare parts for oil drilling rigs, industrial pumps, boilers, hydraulic systems, and power units. Our product portfolio is fully compatible with core equipment models, including ZJ-30C, ZJ-50, ZJ50L, ZJ-70, ZJ70D, ZJ-70DB drilling rigs, DQ70BS, DQ70BSD, DQ70 series equipment, G2113-L(B)/GB2113B rigs, MTU183 power units, KDB-250FA, WNS1-1.25 boilers, triple cylinder plunger pumps (QB-21.63 pump head), and Qiandele 8240 supercharged thickening instruments. Key products cover explosion-proof pressure transmitters (DQ70BS MB330A (0-40MPa) 3808000120), PDC drill bits (3112mm DM752), ZJ70D oil return filter elements (TZX2-400×30), and hundreds of essential components—all manufactured to meet API 7G, API 16C, ATEX, and ISO 9001:2015 standards, with a 99.9% compatibility rate with original equipment and a 99.8% pass rate after 12 strict quality inspection procedures, including precision cutting performance tests referenced to international drill standards.

Designed to solve the core pain points of oilfield drilling companies, industrial maintenance teams, and equipment repair workshops—such as frequent part wear, mismatched components causing assembly failure, hydraulic/electrical system malfunctions, explosion-proof safety risks, and unplanned equipment downtime—our products prioritize reliability, durability, and ease of maintenance. This document serves as a professional procurement and technical guide, providing detailed product information, real-world repair cases, and practical maintenance advice to help you select the right parts, resolve technical issues efficiently, and ensure continuous, safe operation of your drilling and industrial equipment.

Core Purpose & Target User Demand

Core Purpose

Our spare parts are engineered to achieve three core objectives, backed by data-driven performance to deliver tangible value to your operations: First, 100% compatibility with ZJ series drilling rigs, DQ70 series equipment, and industrial systems, eliminating assembly failures caused by mismatched components (validated by 12,000+ field installations with a 99.9% fit rate). Second, enhanced durability—critical components such as 3112mm DM752 PDC drill bits offer a service life of 850-1250 drilling hours (22% longer than industry averages), while ZJ70D disc brake blocks (70B) provide 550+ operating hours of reliable braking (28% more than standard parts), with friction materials tested to maintain integrity under high-load conditions. Third, operational efficiency, reducing equipment downtime by 36% on average and cutting maintenance costs by 29% through high-wear resistance, modular design, and easy replacement.

Target User Segmentation & Demand

• Oilfield Drilling Companies: Require explosion-proof, high-performance parts for ZJ-30C, ZJ50L, ZJ70D, ZJ-70DB drilling rigs and G2113-L(B)/GB2113B rigs, including DQ70BS MB330A explosion-proof pressure transmitters, 3112mm DM752 PDC drill bits, ZJ-30C one-way clutches, and ZJ70D hydraulic valves (4WEH16T50B/6EG24NEZ4). Key demands include reliable explosion-proof performance (critical for hazardous drilling environments), stable supply of high-wear parts (drill bits, friction discs, piston rings), and cost-effective solutions to support 24/7 continuous drilling operations in onshore and offshore settings.

• Industrial Maintenance Teams: Need easy-to-install, interchangeable parts for boilers (KDB-250FA, WNS1-1.25), pumps (triple cylinder plunger pump QB-21.63, spraying pump CS33001-0881100), MTU183 power units, and Qiandele 8240 supercharged thickening instruments. Priorities include quick access to replacement parts (filter elements 478736, FS1000, TZX2-400×30; sealing rings 530301291100000101, OK-0150-00701), clear maintenance instructions, and technical support for complex components (MTU183 speed control board DYN-10504-001-0-24, FDB drive cabinet parts).

• Equipment Repair Workshops: Demand a comprehensive inventory of spare parts covering multiple models, including connectors (Y/J0002, imperial connector 520901044801072200), fasteners (DQ70BS M10×35, M14×50 hex head bolts with hole, B600-02000034 bolt), brake components (auxiliary brake friction disc 508725 WCB324, friction disc W30-07-907), and electrical parts (leakage switch Great Wall DZ47LE-60/2P D32, metal film resistors RJ14 1.5KΩ 0.25W). Focus on parts with high precision (dimensional tolerance ≤ ±0.005mm for critical components), strong interchangeability, and competitive pricing to ensure repair quality, reduce turnaround time, and maximize profitability.

Product Introduction

Our product line covers a wide range of explosion-proof, drilling, and industrial spare parts, all manufactured to original equipment specifications and international industry standards, with cutting performance and durability tested to meet or exceed global benchmarks. Key products include: Explosion-proof pressure transmitter DQ70BS MB330A (0-40MPa) 3808000120, piston ring 1613425, free wheel roller 6837976, piston wear ring 13-1/2 60201-02-01j-06, auxiliary brake friction disc 508725 WCB324, friction plate 23041786, oil cooler 7C3039, BALDWIN BW5139 (BW5073, CAT NO: 9N3367) water filter, PDC drill bit 3112mm DM752, high pressure hose assembly P/N 9705010050, bolt P/N-T50-1008K (5/8″×40), throttle cylinder P60266-1/R431005441, imperial connector 520901044801072200, steel tooth roller bit 15″ MP2G, spraying pump CS33001-0881100, boiler KDB-250FA combustion gas assembly PI-8222KDD, filter element 478736, check valve 6882811, high pressure connector and union seal SJS-4*1502, anti-lift safety device FKQ1280-8 DS-FT2, metal film resistors RJ14 1.5KΩ 0.25W, repair kit filter element FS1000, boiler KDB-250FA temperature sensor DKS-503ET-120C, piston ring 3801056, combination valve P50973-1, main drum combination valve P50970-1/P50973-1, high pressure tee 5PK.00.302 Φ6×25×25, pin BK-4-7A3, explosion-proof three port four way magnetic valve 4WE6J6X/EG24NEXZ2/B08 5126000560, ZJ70D REXROTH handle reversing valve 2-HA-1, input shaft E720-11000262, inner and outer elbow joints QBJ6141616, 648401057 bolts housing, ZJ-70DB braking device working pliers pin shaft circlip PSZ75, ZJ-30C one-way clutch, hydraulic air filter EF6-80/5400100012, gear pump P25X378BFIU257, BK-SR-1 sealing ring, boiler WNS1-1.25 CIKACHI FLOALESS water level automatic switch, sealing ring 530301291100000101, universal nitrogen filling tool BK-Z-23, DQ70 seals 5303990530 418057-71AS, big repair kit 9396506 bronze bushing, DW40C0701wg44044012 four constants valve, dust proof plug FR-751 (39) 5126077008, ram body FZ897.21.02.03, 5th gear drive hub 6835605, ring 7T-1885, triple cylinder plunger pump head QB-21.63, dust proof plug FR-502 (33) 5126077007, o-ring 175X5.3 5300100528, clutch assembly LT800*250T, fork type cold press joint HSV 2-4S(1.5-2.5) blue, dust proof plug FR-501 (25) 5126077006, check valve DF8035, explosion-proof pressure transformer MB3300-40MPA 380800012, ZJ70D oil return filter element TZX2-400×30, G2113-L(B)/GB2113B rig spares, MTU183 speed control board DYN-10504-001-0-24, ZJ-70 braking device disc brake to wire NPT1/4″-22*1.5, Great Wall DZ47LE-60/2P D32 leakage switch, cylinder liner 1903562, steel sheet 6834720, CAHF2083 AHF throat bush, Parker DQ70 hinged head WHV10LMKDSA3V 2.4.35.003, regulator D-2 4900350126, DQ70BS internal thread plug Y0J01060203002 M30×2, ZJ50L braking device open pliers support shaft KQ-12, auxiliary pulley assembly T203-00400, DBS75-2-16 winch brake operating mechanism disc brake back plate pin, assembly hose 140507011302007010, ZJ70 OK sealing ring OK-0150-00701, 19206-XX-30 impeller 4×3×13, fuel water separator P/N 326-1641, ZJ-30C roller shaft three-position four-way valve SH361-3517/4900300052, pressure fitting 4700600266, tie rod P1300102AA, ZJ50D filter TDZU-A400x30FP, pinch tube 513985-03, QA8 hose assembly F381 CFCF 151508-1100×0° 9705224010, filter element 4N0015, filter element 20405827, clutch spring LT965*305, two position three normally open normally closed air control valve 23Q-L15, air source distribution valve MSAL25*25, ZJ70D normally closed brake seals BG-120, ZJ70D hydraulic valve 4WEH16T50B/6EG24NEZ4, hardness tester HT-2000A, hydraulic winch YJ5B ring 247х2.65, DQ70BS hex head bolt with hole M10×35, DQ70BSD hydraulic source analog signal explosion-proof cable assembly 9704059304, Qiandele 8240 supercharged thickening instrument oil filter C08964, piston pin 1663648, lockup clutch plate 23048511, friction disc W30-07-907, E4110 volute liner, 7W2937 oil pressure gauge, moisture separator AF-5000/AL-5000/AR-5000, airbag W16-20-900, QDT inclinometer pulser oil filling machine 630001, ZJ-50 braking device safety gear pin Ⅱ BK-4-7B2, E4032 frame plate, tie rod PS702405, buckle type rubber hose assembly D-51X1W-600, TDS HPU oil taking filter 5126000910, lever PSZ75A-3-01, air compressor 5001550007, oil filter LFP4005, filter element 01174423, disc brake block 70B. All products are engineered to withstand harsh industrial and drilling conditions, ensuring long-term reliability.

Function Description

Key Component Functions

• Explosion-Proof Components (DQ70BS MB330A Pressure Transmitter, 4WE6J6X Valve): Explosion-proof pressure transmitters (0-40MPa) accurately measure hydraulic/pneumatic pressure in hazardous drilling areas, with a measurement accuracy of ±0.1% FS and compliance with ATEX Ex d IIB T6 standards to prevent ignition in flammable environments. Explosion-proof magnetic valves (4WE6J6X/EG24NEXZ2/B08 5126000560) control fluid flow in hydraulic systems, ensuring safe operation in high-risk zones. DQ70BSD explosion-proof cable assemblies (9704059304) transmit analog signals without compromising explosion-proof integrity, with a signal transmission accuracy of 99.9%.

• Drilling Rig Core Components (ZJ70D Reversing Valve, ZJ-30C One-Way Clutch, Drill Bits): ZJ70D REXROTH handle reversing valves (2-HA-1) control hydraulic flow direction for rig operations, with a response time of ≤0.04 seconds; ZJ-30C one-way clutches prevent reverse rotation of drill string components, protecting the transmission system. 3112mm DM752 PDC drill bits and 15″ MP2G steel tooth roller bits drill through rock formations with high efficiency—PDC bits offer a drilling speed of 16-26m/h in medium-hard rock, 32% faster than traditional bits, with cutting performance tested to meet international drill standards. ZJ70D disc brake blocks (70B) provide reliable braking force, with a friction coefficient of 0.46 and service life of 550+ operating hours.

• Filter & Sealing Components (BW5139 Water Filter, 478736 Filter Element, Sealing Rings): BALDWIN BW5139 water filters remove 99.5% of impurities (≥10μm) from coolant, protecting boiler and pump components; filter elements (478736, FS1000, TZX2-400×30) filter hydraulic oil and lubricants, extending component life by 42%; sealing rings (530301291100000101, OK-0150-00701, 5300100528) prevent fluid leakage, ensuring system integrity, with temperature resistance ranging from -40℃ to 120℃.

• Boiler & Pump Components (KDB-250FA Temperature Sensor, CS33001-0881100 Spraying Pump): KDB-250FA temperature sensors (DKS-503ET-120C) monitor boiler flue gas temperature with an accuracy of ±1℃, ensuring safe combustion; CS33001-0881100 spraying pumps deliver stable fluid flow (0.5-2m³/h) for industrial spraying and cooling applications; triple cylinder plunger pump heads (QB-21.63) handle high pressure (up to 40MPa) for drilling fluid transfer. 19206-XX-30 impellers (4×3×13) ensure efficient fluid circulation in pumps, with a flow rate of 15-30m³/h.

• Electrical & Control Components (MTU183 Speed Control Board, Leakage Switch): MTU183 speed control boards (DYN-10504-001-0-24) regulate power unit speed with precision (speed control accuracy ±1%), ensuring stable operation; Great Wall DZ47LE-60/2P D32 leakage switches protect electrical systems from leakage, with a breaking capacity of 6kA and compliance with IEC 60898 standards. Metal film resistors (RJ14 1.5KΩ 0.25W) provide stable electrical resistance, with a tolerance of ±5% and operating temperature range of -55℃ to 155℃.

Structural Features

Overall Structural Advantages

All our spare parts are manufactured using precision processes and high-quality materials, with structural features optimized for the harsh conditions of oil drilling and industrial operations, and cutting performance tested to meet global standards:

• High-Strength & Wear-Resistant Materials: Critical components (drill bits, brake blocks, piston rings) are made of high-grade alloy steel, synthetic diamond (for PDC bits), and nitrile rubber (for seals), with a tensile strength of ≥820MPa and a Brinell hardness of ≥270 HB. These materials resist corrosion from drilling mud and industrial chemicals, making them ideal for offshore and desert drilling environments. Drill bit materials are tested to ensure no崩刃 (chipping) or significant wear during operation, as required by international standards.

• Precision Machining & Dimensional Accuracy: We use 5-axis CNC machining and computer-aided inspection (CAI) technology, ensuring dimensional tolerance ≤ ±0.005mm for critical components (e.g., input shafts E720-11000262, gears, bushings). This guarantees perfect compatibility with original equipment, eliminating assembly gaps and reducing vibration by 26% during operation. Drill bits undergo precision cutting performance tests on 45# or 50# steel (hardness 170-200HB) to ensure optimal drilling performance.

• Explosion-Proof & Pressure-Resistant Design: Explosion-proof components (pressure transmitters, valves, cable assemblies) feature a flameproof enclosure (IP66 protection rating) and intrinsic safety design, preventing sparks from igniting flammable gases in hazardous areas (ATEX Ex d IIB T6, IECEx certification). Hydraulic components (high pressure hoses 9705010050, valves 4WEH16T50B/6EG24NEZ4) are designed to withstand pressures up to 45MPa (15% higher than industry standards), with burst pressure tests conducted to ensure safety.

• Modular & Easy-to-Install Design: Most components (filter elements, connectors, gaskets) adopt a modular structure, reducing replacement time by 43% compared to traditional parts. Quick-connect hydraulic fittings (HSV 2-4S(1.5-2.5) fork type cold press joints) and standard fasteners (DQ70BS M10×35, M14×50 bolts) simplify on-site installation, minimizing equipment downtime.

Applicable Working Conditions

Our spare parts are widely applicable to various oil drilling and industrial scenarios, with performance tested to meet extreme operating conditions:

• Onshore & Offshore Oil Drilling: Suitable for ZJ-30C, ZJ50L, ZJ70D, ZJ-70DB drilling rigs and G2113-L(B)/GB2113B rigs, adapting to diverse geological conditions (sandstone, shale, limestone) and operating stably at temperatures ranging from -45℃ to 90℃, and pressures up to 45MPa. Explosion-proof components are ideal for hazardous areas (Zone 1, Zone 2) with flammable gas concentrations up to 10% LEL.

• Industrial Boiler & Pump Operations: Compatible with KDB-250FA, WNS1-1.25 boilers, CS33001-0881100 spraying pumps, and triple cylinder plunger pumps (QB-21.63 pump head), suitable for factories, oil refineries, and wastewater treatment plants—handling high-temperature (up to 120℃) and high-pressure fluids. Moisture separators (AF-5000/AL-5000/AR-5000) operate reliably in high-humidity environments, with a moisture removal efficiency of 99.2%.

• Power Units & Industrial Equipment: Suitable for MTU183 power units, Qiandele 8240 supercharged thickening instruments, and air compressors (5001550007), operating stably in continuous industrial cycles. Oil filters (LFP4005, C08964) and fuel water separators (326-1641) ensure clean fuel and oil, extending the service life of power units by 35%.

• Emergency Repair & Routine Maintenance: All spare parts are 100% interchangeable with original equipment, making them suitable for on-site emergency repairs (e.g., brake failure, hydraulic leakage, electrical malfunction) and daily maintenance of drilling rigs, boilers, and industrial systems. Our parts reduce maintenance time by 36% on average.

Maintenance and Care Suggestions

Daily Maintenance Guidelines

• Regular Inspection: Check explosion-proof components (DQ70BS MB330A, 4WE6J6X valve) every 100 operating hours for enclosure damage or loose connections—ensure the explosion-proof seal is intact to maintain ATEX certification. Inspect high-wear parts (friction discs 508725 WCB324, W30-07-907; piston rings 1613425, 3801056) every 150 hours for wear; replace when wear exceeds 3mm. Check filter elements (478736, TZX2-400×30) for clogging every 200 hours.

• Cleaning & Replacement: Clean BALDWIN BW5139 water filters and filter elements (478736, FS1000, 4N0015) every 200 hours; replace filter elements when the pressure difference exceeds 0.5MPa (tested to ensure optimal filtration efficiency). Clean PDC drill bits (3112mm DM752) with high-pressure water after each drilling shift to remove rock debris and extend service life, ensuring they maintain cutting performance as per international standards. Clean fuel water separators (326-1641) every 300 hours to remove water and impurities.

• Lubrication Maintenance: Apply high-temperature, anti-wear lubricating oil (meets API GL-4 standard) to rotating components (free wheel roller 6837976, gear pump P25X378BFIU257, ZJ-30C three-position four-way valve) every 250 hours. Ensure lubrication coverage of 100% to reduce friction and wear by 33%; use grease nozzles (532605175G) for precise lubrication of hard-to-reach components.

• Storage Requirements: Store spare parts in a dry, ventilated warehouse (humidity ≤ 55%) to avoid moisture damage. Explosion-proof components should be stored in their original packaging to protect the flameproof enclosure; precision components (MTU183 speed control board, DKS-503ET-120C temperature sensor) should be stored in shockproof, moisture-proof containers; electrical components should be kept away from direct sunlight and high temperatures.

Precautions for Replacement

When replacing spare parts, follow the original equipment operation manual and note the following to ensure safety and performance:

• Confirm the part number and model (e.g., 3808000120 for explosion-proof pressure transmitter, 5126000560 for magnetic valve) to ensure compatibility. Mismatched parts can cause system failure, equipment damage, or safety hazards—our 99.9% compatibility rate ensures a perfect fit when you provide your equipment model.

• For explosion-proof components, cut off the power supply and ensure the work area is free of flammable gases before replacement. After installation, check the enclosure seal and conduct a pressure test (0.1MPa for 30 minutes) to verify explosion-proof performance. For hydraulic components, release system pressure before replacement to avoid accidental movement.

• Clean the installation area thoroughly to remove impurities and debris. For electrical components (MTU183 speed control board, DZ47LE-60/2P leakage switch), cut off the power supply before replacement to avoid short circuits or component damage. For drill bits, ensure the installation is tight to prevent vibration during drilling, which can affect cutting performance and bit life.

• After installation, conduct a test run to verify normal operation. For pressure transmitters, calibrate the measurement accuracy (±0.1% FS) to ensure accurate data transmission; for brake components, test braking force and response time; for electrical components, verify signal transmission and system stability; for drill bits, check drilling speed and accuracy to ensure compliance with performance standards.

We supply the following spare parts:

On-Site Fault Repair Cases

Below are 3 real on-site repair cases, demonstrating how our spare parts solve common equipment issues efficiently and reliably, minimizing downtime and reducing maintenance costs:

Case 1: Drilling Rig Pressure Measurement Error Due to Faulty Explosion-Proof Transmitter

Site: Offshore ZJ70D drilling rig using DQ70BS MB330A (0-40MPa) 3808000120 explosion-proof pressure transmitter
Fault Phenomenon: Hydraulic system pressure displayed incorrectly (error exceeding 4%), the rig’s safety alarm was triggered frequently, and drilling operations were interrupted.
Inspection Result: The original pressure transmitter’s sensor was damaged, with a measurement error exceeding 5% FS, failing to meet ATEX explosion-proof safety standards and API 16C performance requirements.
Repair Solution: Replace the faulty transmitter with our DQ70BS MB330A explosion-proof pressure transmitter (3808000120), calibrate the sensor to ±0.1% FS, and check the explosion-proof seal and signal transmission.
Effect After Repair: Pressure data was displayed accurately, hydraulic system pressure stabilized, and the safety alarm was eliminated. The transmitter operated reliably in the offshore hazardous area, ensuring continuous drilling operations—no further failures were reported in 7 months of use.

Case 2: Mud Pump Efficiency Drop Due to Clogged Filter Element

Site: Onshore ZJ-30C drilling rig using ZJ70D TZX2-400×30 oil return filter element
Fault Phenomenon: The triple cylinder plunger pump (QB-21.63 pump head) efficiency dropped by 28%, hydraulic oil temperature rose rapidly, and the pump required frequent shutdowns for maintenance.
Inspection Result: The original oil return filter element was severely clogged with impurities (≥10μm), causing increased pressure loss and reduced oil flow to the pump.
Repair Solution: Replace the clogged filter element with our ZJ70D TZX2-400×30 oil return filter element, flush the hydraulic pipeline, and check the pump head for wear.
Effect After Repair: Pump efficiency returned to 98%, hydraulic oil temperature stabilized, and the pump operated continuously for 450 hours without shutdowns—reducing downtime by 82% and improving drilling productivity.

Case 3: MTU183 Power Unit Speed Instability Due to Faulty Control Board

Site: Industrial plant using MTU183 power unit with DYN-10504-001-0-24 speed control board
Fault Phenomenon: The power unit speed fluctuated significantly (±5%), affecting the operation of connected drilling equipment and causing frequent system shutdowns.
Inspection Result: The original speed control board had a faulty circuit, leading to inaccurate speed regulation and failure to meet the unit’s operational requirements (speed control accuracy ±1%).
Repair Solution: Replace the faulty control board with our MTU183 DYN-10504-001-0-24 speed control board, re-calibrate the speed settings, and test the unit’s stability.
Effect After Repair: The power unit speed stabilized (fluctuation ≤ ±1%), connected drilling equipment operated smoothly, and system shutdowns were eliminated. The control board maintained reliable performance for 6 months—ensuring continuous operation of the power unit and associated equipment.

FAQ (Frequently Asked Questions)

Procurement Guide & Technical Support

Procurement Reference Standards

To ensure you select high-quality, compliant, and compatible spare parts, follow these professional procurement guidelines:

• Model & Part Number Verification: Always confirm your equipment model (e.g., ZJ70D, DQ70BS, MTU183) and original part number (e.g., 3808000120, 5126000560) to avoid mismatched parts. This is critical for safety-critical components (explosion-proof parts, brakes, electrical components) where mismatches can cause equipment failure or safety hazards.

• Certification Compliance: Verify that parts meet international standards (API 7G, API 16C, ATEX, ISO 9001:2015) and industry certifications. Our parts are tested and certified to meet these standards, with third-party test reports (including drill cutting performance tests) available upon request—ensuring reliability and compliance with your operational requirements.

• Performance Data & Durability: Prioritize parts with verified performance data (e.g., service life, wear resistance, pressure capacity, measurement accuracy). For example, our filter elements have a filtration efficiency of 99.5% (≥10μm), our PDC drill bits meet international cutting standards, and our explosion-proof parts have a 100% compliance rate with safety standards in field tests.

• Interchangeability & Easy Replacement: Choose parts with modular designs and standard dimensions to reduce maintenance time. Our parts are 100% interchangeable with original equipment, eliminating the need for modifications and minimizing downtime by 36% on average.

Technical Problem Solution Reference

If you encounter issues with our parts, refer to the following solutions or contact our technical team for personalized support:

• Explosion-Proof Component Issues: If an explosion-proof part fails (e.g., pressure transmitter display error, valve leakage), check the power supply and enclosure seal first. If the issue persists, contact us for a replacement—we ensure certified parts to maintain safety compliance and ATEX certification.

• Drilling & Pump Performance Issues: For reduced drill bit speed or accuracy, check for wear or debris buildup; replace the bit (3112mm DM752) if cutter wear exceeds 2mm, and adjust drilling parameters to match the rock formation. For pump inefficiency, inspect filter elements (TZX2-400×30, 478736) for clogging or piston rings (1613425) for wear—our high-quality parts restore pump efficiency to 98%+.

• Emergency Failures: In case of critical failures (e.g., brake failure, power unit shutdown, hydraulic leakage), contact us immediately with your equipment model, part number, and fault description. We will provide a quick troubleshooting solution and expedite the supply of replacement parts to minimize downtime.

• Preventive Maintenance Planning: Our technical team can create customized maintenance plans based on your equipment usage (e.g., 24/7 drilling vs. intermittent operation), helping you extend part service life by 15-20% and reduce maintenance costs by 29% on average. We also provide guidance on drill bit maintenance to ensure compliance with cutting performance standards.

Conclusion & Procurement Guidance

Our comprehensive range of explosion-proof and industrial spare parts is engineered to meet the rigorous demands of oilfield drilling, power units, boilers, and hydraulic systems. Covering ZJ-30C/ZJ50L/ZJ70D drilling rigs, DQ70BS/DQ70BSD series equipment, MTU183 power units, KDB-250FA/WNS1-1.25 boilers, and G2113-L(B)/GB2113B rigs, our products deliver 100% compatibility, ATEX-certified explosion-proof performance, and industry-leading durability—backed by strict quality control, verified data, third-party test reports, and professional technical support. All drill bits and cutting components meet international performance standards, ensuring optimal drilling efficiency and longevity.

Whether you need explosion-proof components (DQ70BS MB330A pressure transmitter, 4WE6J6X valve), drilling tools (3112mm DM752 PDC bit, 15″ MP2G steel tooth bit), filter elements (TZX2-400×30, 478736), electrical components (MTU183 speed control board, DZ47LE-60/2P leakage switch), or hydraulic parts (ZJ70D hydraulic valve 4WEH16T50B/6EG24NEZ4, high pressure hoses), we have the right parts to keep your equipment running safely and efficiently. Our parts reduce downtime by 36%, cut maintenance costs by 29%, and ensure compliance with international industry standards—delivering tangible value for your operations.

If you are in need of purchasing any of our spare parts, contact us to discuss your specific requirements. We can provide customized supply solutions, pre-sales compatibility checks, and after-sales technical support to ensure you get the right parts for your equipment. Choose our spare parts to ensure safe, reliable, and cost-effective operation of your drilling and industrial equipment, minimizing downtime and maximizing productivity.

contact us ：

Emeil: [email protected]   whatsapp: +86 15275658619

Should you have any purchase intentions, please contact us – we will offer you our most favorable price.