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CMP Hollow Bar Installation

The Pioneer of Self-Drilling Anchor Bolt Systems

Since 1993, CMP has led innovation in geotechnical anchoring technology across five continents, delivering high-performance hollow bar systems trusted in railways, highways, hydropower, and urban infrastructure.

About CMP International Inc.

Established in 2000 in Ontario, Canada, CMP International Inc. is a global leader in rock and soil support technology, specializing in advanced hollow bar anchoring systems.

A Legacy of Innovation Since 1993

In 1993, CMP was the first to introduce and implement Self-Drilling Anchor Bolt Systems from the birthplace of the "New Austrian Tunneling Method (NATM)" into key infrastructure projects in China. This groundbreaking move revolutionized anchoring practices in the Chinese construction industry and laid the foundation for a new era of geotechnical engineering.

By 2003, CMP achieved another milestone — becoming the first Chinese company to export premium Self-Drilling Anchor Bolt Systems to the United States. Today, we rank among the top three global suppliers of these critical systems, with products deployed in over a million meters across five continents.

CMP Manufacturing Facility
CMP Quality Control Lab

Quality Is Our Lifeline

At CMP, we treat product quality as our lifeline. Our manufacturing partners in China are ISO9001:2015 certified, ensuring every component meets the highest international standards.

From raw material sourcing to final inspection, every stage of production is monitored with precision. Our top management and technical teams are fully committed to delivering 100% quality assurance — because your safety and project success depend on it.

ISO9001:2015 Certified Manufacturing Partners

Why Choose CMP?

We combine decades of field experience, cutting-edge engineering, and uncompromising quality to deliver reliable anchoring solutions worldwide.

Global Reach

Over a million meters of CMP hollow bar systems installed across five continents in railways, highways, hydropower, and municipal engineering.

Quality Assured

ISO9001:2015 certified production, rigorous testing, and full traceability ensure every product meets international safety standards.

Innovative Technology

Pioneered self-drilling anchor systems in China and continue to lead in geotechnical reinforcement innovation.

Our Products

CMP hollow bar systems are fully threaded, hollow-core bars that serve as both drill rods and permanent anchor tendons. Once grouted, they can be stressed and locked off with a nut for maximum stability.

Epoxy Coated Hollow Bar System

Epoxy Coated Hollow Bar

Corrosion-resistant coating ideal for aggressive environments and long-term durability.

TDG Hollow Bar System

TDG Hollow Bar System

High-strength threaded bar with excellent load transfer and grout distribution.

Hot DIP Galvanized Hollow Bar

Hot DIP Galvanized

Enhanced corrosion protection for outdoor and marine applications.

Stainless Hollow Bar

Stainless Hollow Bar

Premium-grade stainless steel for extreme environments and high corrosion resistance.

CMP-GRP Hollow Bar

CMP-GRP Hollow Bar

Fiber-reinforced polymer bar for non-conductive, lightweight, and corrosion-free anchoring.

CMP-GRP Solid Bar

CMP-GRP Solid Bar

Non-metallic solid bar for specialized applications requiring electrical insulation.

Grouting Pump

CMP Grouting Pump

High-pressure grouting equipment designed for seamless integration with CMP systems.

Accessories

Accessories

Coupling boxes, injection adapters, grout swivels, eye nuts, expansion shells, and more.

View Full Product Catalog

Global Applications

CMP systems have been successfully deployed in critical infrastructure projects worldwide, from deep tunnels to high-risk slopes.

Railway & Tunnel Projects

  • • West Qinling Tunnel, Lanzhou-Chongqing Railway
  • • T76L Pipe Shed, Yangjiaoyan Tunnel (Xiamen-Chengdu Expressway)
  • • T76P Micro Pile, Ayang Tunnel (Lanzhou-Chongqing Line)
  • • R32N Anchor Rod, Xiluodu Hydropower Station Vertical Shaft

Highway & Slope Support

  • • R38N Anchor Rod, Shaanxi Yinhan Jiwei River Tunnel
  • • R51N Slope Support, Chongqing Daping Tunnel
  • • R32N Slope, C20 Section, Xiarong Expressway
  • • T76L Pipe Shed, Wanggelitang Tunnel, Gansu Linhe Expressway
View Project Case Studies
1M+
Meters Installed Globally
5
Continents Served
2000
Founded in Canada
1993
Pioneer Since

Frequently Asked Questions

What is a self-drilling anchor bolt?

A self-drilling anchor bolt is a fully threaded hollow bar that acts as both a drill rod and an anchor tendon. It drills into the ground with a sacrificial bit and, once grouted, becomes a permanent structural anchor.

Where are CMP products manufactured?

CMP products are manufactured by ISO9001:2015 certified partners in China, including Jiangsu CMP Anchorage Systems Co. Ltd, Chengdu MEI Anchor Bolt Inc., and CMP Geotechnical Engineering and Technology partners.

Can CMP systems be used in corrosive environments?

Yes. We offer epoxy-coated, hot-dip galvanized, and full stainless steel options, as well as non-metallic GRP (glass-reinforced polymer) bars for maximum corrosion resistance.

Does CMP provide technical support?

Yes. CMP offers professional engineering support, installation guidance, and project-specific recommendations to ensure optimal performance.

Get in Touch

For product inquiries, technical support, or project consultations, visit our official website to connect with our team.

Visit Official Website

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