EST Cutters | Premium TBM & Tunneling Cutting Tools

About EAST

Decades of innovation and experience – driving excellence in tunneling cutting tools.

Engineering Excellence Since 2011

Shandong EAST Engineering Tools Co., Ltd. was established in 2011 as a professional manufacturer of TBM Cutters, pipe jacking cutters, and RBM&RCD Roller Cutters. Our products are widely used in urban rail transit, highway and railway tunnels, mining, and other infrastructure projects.

With over 50,000 square meters of manufacturing space, we integrate R&D, design, processing, manufacturing, and technical services into a seamless operation. We serve major clients including CREC, CRCC, CSCEC, SINOHYDRO, CCCC, and international construction firms across America, Europe, Africa, the Middle East, and Southeast Asia.

30+

Patents

11+

Awards & Certifications

100+

Tunneling Projects

Company Vision

World vision, International standards, Company characteristics, High-point positioning, World-wide character

Company Goal

Best quality, Highest efficiency, Lowest cost, Best service

Core Philosophy

Professional technology, professional manufacturing, professional service

Our Products

High-performance cutting tools engineered for durability, precision, and reliability in the most challenging tunneling conditions.

TBM Disc Cutter

Designed for full-face rock tunneling, our disc cutters offer superior wear resistance and load capacity for hard rock formations.

• Diameters: 16", 17", 18", 19", 20"
• High-strength alloy steel construction
• Sealed bearing system
• Optimized for high thrust and torque

Disc Cutter for Micro-TBM

Compact and efficient cutters tailored for small-diameter tunneling machines operating in confined spaces.

• Miniaturized design for micro-TBMs
• Precision-engineered for tight tolerances
• Corrosion-resistant materials
• Easy maintenance and replacement

Soft Ground Tools

Specialized cutting tools for soft soil, mixed face, and clay conditions with optimized chip removal.

• Carbide-tipped cutting edges
• Anti-clogging design
• High impact resistance
• Suitable for EPB and slurry TBMs

Wire Brush Seal

Advanced sealing system to prevent muck and water ingress into the main bearing of the TBM.

• Multi-layer stainless steel bristles
• High-pressure water resistance
• Long service life
• Customizable for various diameters

RBM Roller Cutter

Robust roller cutters designed for high-efficiency rock fragmentation in demanding geological conditions.

• High-load capacity bearings
• Heat-treated cutter rings
• Lubrication monitoring system
• Compatible with major TBM brands

RCD Roller Cutter

Rigid Cutterhead Disc cutters for enhanced stability and performance in mixed ground tunneling.

• Fixed mounting system
• High structural rigidity
• Reduced vibration and wear
• Ideal for fault zones and variable strata

Pipe Jacking Cutters

Durable cutting tools specifically engineered for pipe jacking and microtunneling applications.

• High impact resistance
• Optimized for low RPM operation
• Replaceable cutting heads
• Suitable for steel and concrete pipes

Accessories

Accessories & Spares

Complete range of spare parts, seals, lubricants, and tooling accessories for maintenance and repair.

• Cutter ring spares
• Bearing assemblies
• Seal kits
• Installation and removal tools

Technology & Innovation

Backed by 30+ patents and continuous R&D investment, we push the boundaries of cutting tool performance.

Patented Innovations

一种盾构机盾尾刷压丝合毛装置 – Wire brush sealing device for shield machines

嵌镶硬质合金块的滚刀圈 – Roller cutter ring with embedded carbide blocks

一种新型盾构机滚刀用合金刀圈 – New alloy cutter ring for shield machines

防止硬质合金柱扭转的滚刀圈 – Anti-rotation carbide column cutter ring

刀盘及具有其的盾构机 – Cutterhead and shield machine with same

一种筒型刮刀钎焊用的感应线圈 – Induction coil for cylindrical scraper brazing

盾构刀具耐磨面等离子堆焊用机器人操作装置 – Robot system for plasma cladding on TBM tools

一种新型焊接型铰刀 – New welded reamer design

一种大合金撕裂刀 – Large alloy ripping tool

一种隧道掘进机滚刀刀圈合金材料及其制备方法 – Alloy material and preparation method for tunneling roller cutter rings

Quality & Certification

ISO 9001:2015

Certified Quality Management System

Our manufacturing processes adhere to international quality standards, ensuring consistency, reliability, and traceability across all product lines.

• Full material traceability
• In-process quality inspections
• Final product testing
• Performance validation under simulated conditions
• Continuous improvement protocols

Featured Projects

Trusted by leading contractors on complex tunneling projects worldwide.

Heyan Road Cross-river Tunnel

Nanjing, China

Φ15.03 Slurry TBM | Max. 7.9 Bar Hydrostatic Pressure

Supplied high-pressure disc cutters for one of China's largest diameter river-crossing tunnels.

Chunfeng Road Tunnel Project

Shenzhen, China

Φ15.8m Slurry TBM | 80% Full Face Rock | Multiple Fault Zones

Provided rock cutters for one of the most geologically complex urban tunneling projects in China.

Xiamen Metro Line 3 Cross-sea

Xiamen, China

Undersea Metro Tunnel

Critical supplier of cutting tools for China's first undersea metro line.

Dalian Metro Line 5

Dalian, China

Complex Urban Geology

Delivered customized soft ground tools for challenging mixed-face conditions.

Foshan-Dongguan Inter-city

Guangdong, China

High-Speed Rail Link

Supplied full suite of cutting tools for regional intercity rail expansion.

CSCEC Qingdao Metro Line 8

Qingdao, China

5 VS 1 in Cutter Life

Demonstrated 5x longer service life compared to competitor cutters.

Over 100 tunneling projects completed worldwide with our cutting tools.

Get in Touch

Contact Information

Phone: 86-0635-2128722

Email: [email protected]

Address: No.166, South of Huangshan Road, High-tec Development Zone, Liaocheng, Shandong, China

Visit Our Website

Visit Official Website

For detailed product specs, technical documents, and project case studies.

China Quality Suppliers fobcompany.info

Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.

For Domain Owners: If you are the domain owner and do not want to be included by fobcompany.info, please contact [email protected] via your corporate email to cancel. We will cancel your inclusion within 3 business days.

如果您是域名所有者不想被fobcompany.info收录请用企业邮箱联系[email protected] 取消收录我们将在3个工作日取消您的收录

Service Request: If you are other domain and want to be included, please contact [email protected]

如果您是其他域名合作也请联系[email protected]

Precision Cutting Tools for Modern Tunneling