Capabilities

Unionlever Oilfield Equipment (OFS) serves as the Group’s dedicated oilfield equipment division, integrating engineering coordination, API-compliant manufacturing, independent quality control, and global supply chain capabilities to deliver reliable, field-ready solutions worldwide.

Manufacturing Capability – Overview


Unionlever OFS operates a strictly controlled manufacturing network across China, working exclusively with factories that meet API standards and higher internal quality requirements.
By combining technical control, manufacturing supervision, and market awareness, we help clients achieve both operational safety and cost efficiency—even in complex and rapidly changing manufacturing environments.

These manufacturing capabilities are supported by Unionlever International Group (Hong Kong), established since 2008, ensuring long-term supplier control, consistent quality standards, and reliable delivery for international oil & gas projects.

Engineering Overview

High-Standard Manufacturing Environment


Our manufacturing partners operate under:

API-certified production systems

 Strict process control for oilfield equipment

● Consistent adherence to technical and quality requirements


Unionlever OFS maintains long-term cooperation with selected factories, allowing us to enforce stable quality standards while managing production cost effectively.

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Core Manufacturing Processes


Manufacturing capabilities cover all critical processes required for oilfield tools and pressure-containing equipment:

Forging for high-strength structural components

 Heat treatment to achieve required mechanical properties

● CNC machining for precision dimensions and thread connections

● Assembly and fitting under controlled procedures

Each manufacturing route is selected based on product function, service conditions, and API compliance requirements.

Cost Control Without Compromising Safety


Unionlever OFS understands the Chinese manufacturing landscape and market dynamics in depth.

This allows us to:

● Select the right factory for the right product

● Balance quality requirements with realistic cost targets

● Avoid unnecessary over-specification

● Help clients control budgets without compromising drilling safety or efficiency

Our role is not simply to place orders, but to manage manufacturing decisions on behalf of our clients.

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Applications Across the Well Lifecycle


Unionlever OFS equipment and engineering capabilities support reliable performance across key drilling, well control, completion, and customized oilfield operations.

Applications Across the Well Lifecycle

Drilling Operations

Key tools including FOSV, IBOP, Kelly Valves, Underreamers, Stabilizers, and Crossover Subs, designed and manufactured in accordance with API standards to support safe and efficient drilling operations in onshore and offshore environments.

Applications Across the Well Lifecycle

Well Control & Safety

Well control equipment for pressure management and blowout prevention, including safety valves and pressure-containing tools manufactured and tested in compliance with API 16A and API 7K requirements.

Applications Across the Well Lifecycle

Completion & Workover

Reliable tools and equipment supporting completion and workover operations, including tubing handling, zone isolation, and wellhead maintenance under demanding field conditions.

Applications Across the Well Lifecycle

Customized Solutions (OEM)

OEM and customized engineering solutions for distributors and oilfield service companies, offering private-label manufacturing, customized connections, materials, and application-specific designs based on project requirements.

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