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Precision Hydraulic
Torque Wrenches

Engineered for reliability, accuracy, and durability in extreme industrial environments — from offshore platforms to nuclear power plants.

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About JHJX

JHJX Machinery Manufacturing Co., Ltd. was established in 1992 and has since become a leading global manufacturer of bolting tools. Specializing in hydraulic torque wrenches, bolt tensioners, electric and pneumatic torque wrenches, and calibration equipment, we are committed to delivering precision-engineered solutions for critical bolting applications.

With a 12,000-square-meter factory and office in Maanshan City, Anhui Province, China, JHJX combines advanced CNC machining technology with decades of practical research in power hydraulics to serve industries including wind power, aerospace, shipbuilding, petroleum, chemical, and railway infrastructure.

12,000m² Facility

Advanced manufacturing base

Global Reach

Serving 50+ countries

JHJX Factory

Our Bolting Tools

High-performance, durable, and precise bolting solutions designed for the most demanding industrial environments.

JHBEW-S Battery Torque Wrench

JHBEW-S Battery Torque Wrench

Cordless precision with high-torque output for remote or mobile applications.

  • Rechargeable lithium battery
  • Digital torque control
  • Lightweight & ergonomic
JHPM Ultra Thin Low Profile Wrench

JHPM Ultra Thin Low Profile Wrench

Ideal for confined spaces with minimal clearance around bolts.

  • As low as 22mm height
  • High torque-to-size ratio
  • Durable alloy construction
JHB Ultra Series Hydraulic Wrench

JHB Ultra Series Hydraulic Wrench

High-torque hydraulic wrench for heavy-duty industrial bolting.

  • Torque range up to 100,000 Nm
  • Precision gear drive
  • Corrosion-resistant coating
JHM Square Drive Wrench

JHM Square Drive Wrench

Robust design for consistent torque delivery in repetitive applications.

  • Standard square drive interface
  • Interchangeable sockets
  • Long service life
Electric Torque Wrench

Electric Torque Wrench

High-accuracy electric tool for controlled tightening processes.

  • Programmable torque settings
  • Data logging capability
  • CE & ISO compliant
Pneumatic Torque Wrench

Pneumatic Torque Wrench

Fast and powerful air-driven tool for high-cycle bolting tasks.

  • High speed operation
  • Low maintenance design
  • Explosion-proof options
Torque Calibration Equipment

Torque Calibration Equipment

Ensure accuracy and compliance with certified calibration systems.

  • ISO 17025 accredited
  • Full traceability
  • On-site service available
Bolt Tensioner

Bolt Tensioner

Ultra-precise preloading for critical joints in bridges and turbines.

  • Accuracy ±1%
  • Multi-jackbolt design
  • Synchronized pumping systems
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Why Choose JHJX?

Engineered excellence backed by decades of innovation and global trust.

Strong Production Capacity

12,000m² facility with advanced CNC machining and quality control systems.

High-Performance Materials

Premium alloys and corrosion-resistant coatings for extreme durability.

Professional Technical Team

Expert engineers and field technicians providing full technical support.

Global Service System

24/7 support, calibration, and maintenance services worldwide.

30+
Years in Industry
50+
Countries Served
10K+
Tools Deployed
99.8%
Customer Satisfaction

Latest Insights

Industry news, case studies, and technical updates from JHJX.

Technical Guide

How to Determine a High-Quality Hydraulic Torque Wrench

Key factors including material quality, torque accuracy, and service life.

Read More →
Case Study

Smart Flexible Use of Hydraulic Torque Wrench

Solving tight bolt spacing with socket adapters on M110 flanges.

Read More →
Application

JHJX Tools for Flange & Valve Maintenance

Ensuring leak-free sealing in oil & gas pipeline systems.

Read More →
View All News

Get in Touch

Reach out to our sales or service team for product inquiries, technical support, or custom bolting solutions.

Phone (Mobile)

+86 18117218107

WhatsApp

+86 13651924079

Email (Sales)

[email protected]

Email (Service)

[email protected]

Address

No.99 TongZhou Road HuaShan Industry Area, Maanshan City, Anhui Province, China

Contact Us

For immediate assistance, please visit our official website or connect via WhatsApp.

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