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High-Quality Drilling Spare Parts
Supplier

Premium oil & gas field equipment and spare parts from Xi'an ATO International Co., Ltd. – trusted by global clients since 2008.

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About ATO Oil

Xi'an ATO International Co., Ltd. was founded in 2008 and is headquartered in Xi'an, China. With over 10 years of experience, ATO has established itself as a reliable exporter of drilling equipment and spare parts for the oil & gas industry.

We specialize in upstream oilfield solutions, serving clients across multiple continents. Our commitment to quality, competitive pricing, and timely delivery has earned us recognition and long-term partnerships worldwide.

  • Over 10 years of industry experience
  • ISO 9001 Certified Quality Management
  • API-certified manufacturing partners
  • Global export network
ATO Oil Facility

Our Products

ATO supplies a comprehensive range of high-performance drilling equipment and spare parts for upstream oil & gas operations.

Mud Pump & Spare Parts

Mud Pump & Spare Parts

High-pressure triplex and duplex mud pumps with wear-resistant components including liners, pistons, valves, and fluid ends.

  • API 7K & 8A compliant
  • Compatible with major brands
  • Extended service life
Fracturing Pump & Spare Parts

Fracturing Pump & Spare Parts

High-efficiency fracturing pumps and critical components designed for hydraulic fracturing operations.

  • 3000 HP and 2500 HP models
  • Plunger, packing, and valve kits
  • API 16C certified
Drawworks & Spare Parts

Drawworks & Spare Parts

Robust drawworks systems and replacement parts including brakes, clutches, and gearboxes.

  • API 7K certified
  • High torque transmission
  • Customizable configurations
BOP & Spare Parts

BOP & Spare Parts

Blowout preventers and critical sealing components for well control systems.

  • Annular & ram BOPs available
  • Seals, rams, and control pods
  • API 16A compliant
Wellhead Tools

Wellhead Tools

Comprehensive wellhead equipment including hangers, spools, and running tools.

  • API 6A certified
  • High-pressure & high-temp options
  • Complete installation kits
Solid Control Equipment

Solid Control Equipment

Shale shakers, desanders, desilters, and mud cleaners for efficient drilling fluid management.

  • Modular design
  • High separation efficiency
  • Durable construction
Workover Rig Components

Workover Rig Components

Specialized equipment for workover and completion operations including hoisting and rotating systems.

  • Compact and mobile designs
  • High reliability
  • API-compliant components
Truck-Mounted Rigs

Truck-Mounted Rigs

Fully integrated truck-mounted drilling and workover rigs for onshore operations.

  • Turnkey solutions
  • Custom configurations
  • Rapid deployment

Our Certifications

ATO maintains the highest standards in quality and compliance through rigorous certification processes.

Quality Assurance

ATO has obtained the ISO 9001 certification, demonstrating our commitment to strict quality management systems across all operations.

Our manufacturing partners hold API certifications, ensuring that all products meet international standards for safety, reliability, and performance in oil & gas applications.

ISO 9001:2015 Certified
API 7K, 8A, 16A, 16C, 6A Compliant
Third-party inspection available
Certificate 1 Certificate 2
15+
Years in Industry
50+
Global Clients
1000+
Products Supplied
10+
Countries Served

Get in Touch

Contact our team for product inquiries, technical support, or partnership opportunities.

Contact Information

Address

Xi'an West OE Park, 77# Keji No.2 Rd, Hi-Tech Zone, Xi'an, China, 710075

Phone

+86-29-85428019 ext. 8025

+86 139 1119 5045

Fax

+86-29-85428020

Send Us a Message

For inquiries, please visit our official website to get in touch with our sales team.

Visit Official Website

We respond to all inquiries within 24 business hours.

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