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Cost-Effective Chinese Top Drive System for Deep Well Oilfield Exploration
US$500,000.00-700,000.00
1 Piece

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

DQ70BSQ-JH

Certification

ISO 9001:2000, API 7K

Power Source

Hydraulic

Operation Pressure

35MPa

Applicable Medium

Mud, Water, Crude Oil

Structure

Top Drive Assembly

Material

Alloy Steel

Rated Hook Load

350 Ton (3150 kN)

Drive Type

AC VFD (AC Variable Frequency Drive)

Main Motor Power

450 Kw / 600 HP

Drilling Torque

48 kN·M

Max Break-out Torque

72 kN·M

Spindle Speed Range

0 ~ 180 R/Min

Mud Circulating Pressure

35 MPa

Main Body Weight

10.7 T

Working Height

5.6 M

Ambient Temperature Range

-35℃ ~ +55℃

Transport Package

Wooden Case / Standard Export Package

Specification

5370*2160*2380mm

Trademark

HNA

Origin

China

HS Code

8474100000

Production Capacity

50000 Pieces/Year

Key features

Adopts premium alloy steel for main load-bearing parts, passes strict API Spec 8C load fatigue test for long-term heavy load service.
Independent AC VFD control cabinet realizes stepless speed regulation, flexible speed matching for varied drilling formation conditions.
Built-in standard IBOP inner blowout preventer, effectively block well kick risk during tripping and casing running operations.

Company profile

Qingdao Hna Oilfield Equipment Manufacturing Co., Ltd.
Years of Export ExperienceFast DeliveryQuality AssuranceManagement Certification
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 23 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤6.06h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier with broad customization, ODM, and OEM capabilities. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications, and reports documented quality, corrective-action, and complaint-handling procedures. Its export share is stated at 71%–90%, with 23 years of export experience, inventory capability, and participation in the Offshore Technology Conference. However, it does not provide 3D software design services, has no available SDK, no overseas warehouse, showroom, agent, or branch, and no valid manufacturing-capacity contract with affiliated subcontractors. No new products were launched in the past year, and only two R&D engineers are reported. Financial records are identified for 2021–2023, but the provided information does not contain sufficient financial performance detail to assess credibility. Customer evidence includes OEM service for well-known brands and repeat-buyer preference of 50%–80%, but no Fortune 500 cooperation.
Supplier typeThe supplier explicitly describes itself as a professional technical supplier and emphasizes learning, innovation, superior products, and technical support. This supports classification as a professional technical supplier rather than a purely trading-oriented entity.
CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications in both its sustainability and management-system information. These stated certifications provide explicit evidence of formal quality, occupational health and safety, and environmental management systems.
After-Sales capabilityThe supplier states that it provides pre-sales and after-sales technical support, while documented procedures and records exist for corrective and preventive actions and customer complaints. These statements support an established after-sales and issue-resolution process.
R&D capabilityThe supplier has two R&D engineers and offers ODM services, but it does not provide an SDK, did not launch new products in the past year, and does not offer 3D software design services. The evidence shows some development capability but also explicit limitations in recent innovation output and technical-service scope.
Production capacityThe supplier reports in-stock service capability, 23 years of export activity, an export share of 71%–90%, and proximity to Qingdao Port. However, it has no valid manufacturing-capacity contract with affiliated subcontractors and lacks overseas warehouses, branches, and agents, so production and international fulfillment capability cannot be rated as clearly strong overall.
Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. This is direct evidence of broad customization capability, although 3D software design services are not provided.
Client casesThe supplier reports participation in the Offshore Technology Conference, OEM service for well-known brands, and repeat-buyer preference of 50%–80%. However, it reports no cooperation with Fortune 500 companies and provides no specific customer names or case details, so the evidence is positive but limited.

Product Q&A

Q:Can your 350Ton top drive work for 5000m deep well drilling?
A:
Yes, this model is specially designed for max 5000m onshore oil&gas well drilling and matches conventional land rig perfectly.
Q:Is your top drive certified with API Spec 8C?
A:
All our top drives complete formal API Spec 8C certification with official certification documents for tender and customs clearance.
Q:What's the driving system of this top drive?
A:
It is equipped with AC VFD variable frequency driving system featuring high torque and stepless speed adjustment.
Q:Does this top drive come with IBOP inner blowout preventer as standard?
A:
Standard configuration includes built-in IBOP to guarantee well control safety during casing running and tripping.

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