Super-diameter TBM cutterhead in the open air
Turnkey Underground & TBM Solutions Provider

End-to-End Tunneling

From Super-Diameter TBMs to Smart In-TBM Advance Probing & Heavy-Duty Cutting Tools.

European Partner CE Marking ISO 9001 · 14001 · 45001 Global Projects
Book a Technical Consultation Explore the Product Lines
30+
Underground engineering world records
0.8–18.4 m
Full-face TBM coverage capability
3 ISO
CE marking & ISO 9001 / 14001 / 45001
8.01 m
Proprietary super-large main bearing
01

Four Product Pillars, One Partner

Machines, probing systems, cutter consumables and slurry treatment

Heavy Tunneling Machinery

Super-diameter SPB & EPB TBMs, hard-rock dual-mode systems and vertical shaft boring machines — from CCCC Tianhe, a subsidiary of China Communications Construction.

Explore machinery

In-TBM Probe Drilling & Grouting

TBM-mounted advance drilling, water-hammer probing, bolting and MWD geological prediction from China Railway Southwest Research Institute — CE-certified rigs for European rock conditions.

Explore probing systems

Engineered Cutters & High-Pressure Seals

7–21 inch roller cutters, premium metallurgy, tailskin wire brushes & seals and containerized on-site tool workshops from Shandong Tianyou — engineered to the strata, delivered to your jobsite.

Explore cutters

Slurry Treatment & Separation

From KMKS — European-grade mud circulation for Hydroshield & EPB projects. Separation stations, conditioning systems and filter presses that keep the mud circuit running.

Explore slurry systems
02

Global Footprint

From Chinese mega-projects to international rail corridors
World map EUROPE · PARTNERSHIP CHINA MALAYSIA · ECRL INDONESIA · JAKARTA–BANDUNG HSR

Schematic illustration — project locations are indicative.

  • Malaysia · ECRLHard-rock TBM drives (Genting section)
  • Indonesia · Jakarta–Bandung HSRHigh-speed rail tunneling systems
  • China · Tianshan Shengli TunnelHard-rock & vertical shaft TBM records
  • China · Nanjing Heyan Road CrossingSuper-diameter river-crossing TBM
  • China · Beijing East 6th Ring16 m-class urban expressway shield
  • EuropeChannel & local partner network for sales, spares and service

One Partner. Four Manufacturing Pillars. Zero Compromise.

Get a single technical interface for TBMs, advance probing, cutter consumables and slurry treatment plants — with European-based support behind every delivery.

Start a Project Inquiry See Services & Compliance
Twin TBM cutterheads in factory acceptance
01 · Heavy Tunneling Machinery

TBM & Specialized
Engineering Equipment

Full-face tunnel boring machines from 0.8 m to 18.4 m — slurry pressure balance, earth pressure balance, hard-rock, dual-mode, vertical shaft and offshore drilling systems.

CCCC TIANHE CCCC Tianhe Mechanical Equipment Manufacturing Co., Ltd. — a subsidiary of China Communications Construction (CCCC), one of the world’s largest infrastructure groups. Full-chain: R&D, design, manufacturing, consulting, tunneling, maintenance.
2.1

Super-Large-Diameter SPB & EPB TBMs

14 m – 16 m+ class for river crossings and urban corridors
CCCC Tianhe TBM cutterhead with disc cutters
Super-Large Diameter

Slurry & Earth Pressure Balance TBMs

Flagship machines for record-breaking drives, including the Hai-Tai Yangtze River Tunnel ("Cangyuan") and Beijing East 6th Ring Expressway ("Yunhe").

  • Atmospheric cutterhead intervention capability
  • Autonomous cruise navigation & digital guidance
  • Fiber-optic real-time cutter wear monitoring
  • High-pressure slurry circuits for deep river crossings
TBM cutterhead under assembly in CCCC Tianhe workshop
Built In-House

Design, Manufacture & Test Under One Roof

In-house main bearing and key-component manufacturing with full assembly and pressure-testing capability, backed by a full-chain service organization.

  • Proprietary 8.01 m super-large main bearing
  • Factory acceptance testing before shipment
  • Lifecycle condition monitoring & fleet management
  • Consulting, tunneling and infrastructure services
2.2

Hard Rock & Complex Strata TBMs

Dual-mode systems for squeezing ground and rockburst risk
Hard-rock TBM cutterhead for complex strata
DTSES Dual-Mode

Squeezing Ground & Rockburst Management

DTSES switchable excavation-supports mode combining extruded-concrete and steel-segment lining, developed for large-deformation and strong-rockburst tunnels.

  • Switchable support modes without standstill
  • Extreme-curvature & steep-gradient capability (50 m radius "Mozi" machine)
  • High UCS and highly abrasive rock tooling
Wide dual cutterhead acceptance scene
Complex Strata

Mountain, Mixed & Long-Distance Drives

Machines engineered for alpine-style conditions: Tianshan Shengli Tunnel, G219 Xinjiang and cross-country rail corridors with mixed face and fault zones.

  • Custom cutterhead designs per geology
  • Proven record-setting mountain drives
  • Remote monitoring & predictive maintenance
2.3

Shaft Boring & Vertical Excavation

Vertical shaft machines and offshore drilling systems
Vertical shaft TBM
VSM

Hard-Rock Vertical Shaft Boring

Vertical shaft machines (VSM) including the world’s first pressure-drilling vertical boring machine "Shouchuang" used at Tianshan Shengli Tunnel, and "Shudun No.1" for expressway vertical shafts.

Offshore engineering platform
Offshore

Marine & Offshore Works

Specialized offshore platforms and subsea tunneling support equipment proven in marine environments from plains to high-altitude regions.

Deep cement mixing and drilling vessel
DCM

Deep Cement Mixing & Rescue TBMs

Deep cement mixing (DCM) vessels and emergency-rescue TBMs expand the product envelope beyond conventional tunneling.

Ask for Machine Specifications Remanufacturing & Lifecycle Services
TBM-mounted advance drilling and grouting machine
02 · In-TBM Probing & Drilling Solutions

Smart In-TBM
Advance Probing

TBM-mounted advance drilling, water-hammer probing, anchoring and MWD prediction — built to de-risk the ground ahead of the cutterhead and to automate the hardest jobs inside the shield.

CHINA RAILWAY SOUTHWEST RESEARCH INSTITUTE A research institute of the China Railway group, developing tunnel machinery since 1973 — brand "Suike Drilling: drilling through mountains and rivers, building dreams for the future."
3.1

Advance Drilling & Grouting Rigs

SR-HC / SR-BD series
SR-HC advance drilling and grouting machine mounted in a TBM shield
Drilling & Grouting

SR-HC / SR-BD Integrated Machines

  • Ultra-compact rear overhang — fits tight shield geometries
  • Anti-jamming & blank firing protection
  • Wireless remote operation (radio control)
  • All-direction high-pressure grouting
SR-BD drilling and grouting machine with control system
Automation

One Operator, Full Sequence

Rod handling, drilling, grouting and parameter logging from a single control station — fewer people in the shield, safer and faster cycles between TBM advances.

3.2

WR Series Water Hammer Advance Drills

Engineered for European hard rock
WR series water hammer advance drilling rig
Water Hammer

Deep, Straight, Fast

  • CE-certified drill package
  • Eurodrill power head & Wassara water hammer
  • Drilling depth up to 80 – 250 m (model dependent)
  • Hole deviation < 3%
ZMG drilling anchor injection machine with wireless remote control
Remote Operation

Operator Safety in High-Risk Sections

Wireless remote control keeps operators clear of falling rock and high-pressure zones while the machine handles the advance-probe cycle inside the shield.

WR Series Specification Matrix

Model Max Depth Hole Diameter Rotation Speed Torque Water Pressure Power Pack Hammer / Head
WR-WD50< 80 mD60 / D64150 rpm292 Nm50 – 170 bar55 kWWassara / Eurodrill
WR-WD70< 200 mD82 / D89596 rpm4,420 Nm60 – 180 bar110 kWWassara / Eurodrill
WR-WD80< 200 mD95 / D102596 rpm4,420 Nm60 – 180 bar110 kWWassara / Eurodrill
WR-WD100< 250 mD115 / D127390 rpm6,600 Nm60 – 180 bar130 kWWassara / Eurodrill
3.3

Anchoring, Bolting & Combined Systems

TB-HC / TB-RD / ZMG series
Bolting

TB-HC / TB-RD Rock Bolt Rigs

TBM-mounted anchor drilling machines that automate drill, feed, grout and pre-tension cycles in narrow, high-risk shield compartments.

Combined

ZMG Drill–Anchor–Grout Machines

Integrated drill-anchor-grout machines combine advance probing, anchoring and grouting in one carrier to shorten support cycles.

Full Series

Six Product Series

SR-HC · SR-BD · WR · TB-HC · TB-RD · ZMG — a complete TBM-mounted portfolio matched to your geology and shield layout.

3.4

MWD Intelligent Geological Prediction

Measurement while drilling
MWD

See the Ground Before You Cut It

  • Drilling parameters (thrust, torque, flushing pressure) streamed in real time
  • Machine-learning interpretation of rock mass parameters ahead of the face
  • Early warning for faults, water inflow and weak zones
Decision Support

From Data to Decisions

Turn raw drilling telemetry into actionable geology maps for the crew — plan grouting, adjust TBM parameters and avoid standstill risk.

Configure a Probing Package Back to TBM Machinery
TBM cutter tools and brush seals on a shield machine
03 · Cutters & Consumables

Disc Cutters, Metallurgy
& High-Pressure Seals

Nothing can stop our TBM cutters — every kind of drilling cutter and brush seal, engineered to the strata and backed by on-site containerized tool workshops.

SHANDONG TIANYOU Shandong Tianyou Tunnel Engineering Equipment Co., Ltd. — manufacturing TBM cutters and tailskin brushes since 2008, 159 staff, 22 patents, ISO 9001 / 14001 / 45001, joint R&D with Nankai University.
4.1

Heavy-Duty Disc Cutters · 7 – 21 inch

Full series for every cutterhead position
Single roller cutter
Standard

Single & Twin Disc Cutters

7–21 inch single and twin disc cutters covering face, gauge and center positions of mainstream TBM cutterheads.

Triple roller cutter with tungsten carbide inserts
TCI

Triple & Tungsten-Carbide-Insert Cutters

Triple-roller and TCI (carbide insert) cutters for overcutting, abrasive sandstone and highly abrasive strata.

Specialized roller cutters
Special

Twin, Eccentric & Raise-Boring Cutters

Twin, eccentric and raise-boring disc cutters, plus custom geometries for non-standard cutterheads.

4.2

Extreme-Duty Cutters

Pressure · abrasion · load · intelligence
High Pressure

High-Pressure Bearing Cutters

Designed for high-water-pressure environments with bearing capacity above 1.0 MPa — proven in subsea and deep river-crossing drives.

Extreme Hard Rock

High-Load & High-Wear Cutters

Ultra-heavy-duty cutters with rated load > 400 kN (approx. 40 metric tons) for extremely hard rock (UCS > 200 MPa), plus TCI alloy rings for abrasive sandstones (< 70 MPa).

Intelligence

Instrumented Smart Cutters

Rotation- and wear-detection cutters that eliminate false signals of conventional pressure wear detection — fewer blind cutterhead interventions.

Strata Tuning

G1 / G2 / G4 Cutter Ring Materials

Three steel grades — strong wear resistance (G1), conventional (G2), high toughness (G4) — matched to full-face hard rock, all strata and mixed ground.

Cutter rings use custom "Great Wall Special Steel": electric-furnace melting, ladle refining, vacuum degassing and electroslag remelting (ESR) (P < 0.015%, S < 0.005%) — far below the national high-quality mold-steel requirement of 0.03%.
GradeCrCHardness HRCSmeltingBest For
DG-1 (G1)8%1%60–62LF+VD + ESRFull-face hard rock
DG-2 (G2)5%0.5%57–59LF+VD + ESRAll strata
DG-4 (G4)5%0.4%55–57LF+VD + ESRMixed strata, high toughness

Heat treatment: vacuum-furnace gas quenching + multiple high-temperature tempering (G2/G4 ≥ 3 cycles, G1 ≥ 4 cycles) + deep cryogenic treatment; circumferential hardness variation ≤ 2 HRC.

Air Tightness Test≥ 0.7 MPa after assembly of cutter ring and hub
Break-In Test≥ 30 min at 50 rpm — bearing temperature rise ≤ 40 °C
4.3

Tailskin Wire Brushes & Seals

Shield sealing that keeps the machine moving
Tailskin sealing brush
Sealing

Tailskin Wire Brushes & Seals

High-pressure tailskin wire brushes and steel-plate seals engineered for slurry and EPB shields, with in-house brush-wire and heat-treatment manufacturing.

Containerized tool repair workshop
Mobile Workshop

Containerized On-Site Tool Workshop

Standard 20/40 ft containers outfitted with hydraulic press, high-frequency heaters, welders, bearing cleaning carts and KBK lifting — air-freighted or shipped directly to your European jobsite.

4.4

Field-Proven Service

Engineers where the work is
Tianyou maintenance workshop in India
Global Evidence

India Maintenance Workshop & Jobsite Support

Established overseas maintenance workshops and jobsite engineering — the same model can be deployed across Europe.

Engineering First

Strata-Based Tool Selection

Engineer teams design high-performance cutting tools per geological condition to cut contractors’ construction cost, with full tool maintenance equipment and engineers on call.

Request Cutter Consultation Consumables & Spare Parts Service
KMKS slurry separation station on a river-crossing site
04 · Slurry Treatment & Separation

Slurry Treatment &
Separation Systems

The surface side of every Hydroshield drive — separation, conditioning and filter-pressing that keep the mud circuit running and the jobsite clean.

KMKS 康明克斯 KMKS (Beijing) Mechanical & Electrical Equipment Co., Ltd. — solid-liquid separation specialist with 40+ years of European core technology and 200+ tunneling projects served since 2003.
4.1

The Mud Circuit, Closed

One integrated slurry treatment plant per drive
S1

Separation Station

Blocky-clay separator, double-deck screens and HC-700 cyclones remove muck from the shield return line by particle size.

→
S2

Preparation & Conditioning

ZTJ systems mix bentonite and polymers to restore density and viscosity before slurry returns to the face.

→
S3

Filter Pressing

APN and COMC diaphragm filter presses separate fine solids — filter cake at ≈30% moisture for clean export.

→
S4

Closed-Loop Return

Filtrate and conditioned slurry are pumped back into the shield — less water, less waste, lower carbon.

4.2

Separation & Conditioning Equipment

Model 300 – 3000 separation stations, matched to your TBM
KMKS Model slurry separation station
STP Station

Slurry Separation Stations

MTP / KMAZ / KMCZ series from Model 300 to Model 3000 — sized for TBMs from 1 m pipe jacking to 13 m+ super-large shields. Coarse, primary and secondary dewatering in one footprint.

KMKS ZTJ slurry preparation and conditioning flow
Conditioning

Preparation & Conditioning Systems

ZTJ / ZDZJ automatic bentonite slurry plants restore density, viscosity and low permeability — the stability core of every slurry balance shield drive.

KMKS COMC filter press on site
Filter Press

APN & COMC Filter Presses

Chamber diaphragm filter presses for shield mud, mine tailings and dredging sludge — filter cake at ≈30% moisture, filtrate returned to the circuit.

KMKS hydraulic piston diaphragm pump
Auxiliaries

Cyclones, Screens & Pumps

HC-700 hydrocyclones (74 μm / 20 μm cut), vibrating screens, trommels, agitators and hydraulic piston-diaphragm pumps — one supply chain, fully matched.

4.3

Field-Proven at Scale

Numbers behind 200+ slurry projects
200+
Projects completed by end of 2025
120+
Slurry-shield projects in China
18
Overseas slurry-shield projects
30%
Filter-cake moisture — export-ready

Up to 40 m of tunnel per day with a single separation station — verified on river crossings, metro and high-speed rail drives.

4.4

Selected International References

KMKS slurry systems shipped worldwide
Karnaphuli River Tunnel site

Karnaphuli River Tunnel

Bangladesh · Φ12.18 m · soft silty sand

Jakarta–Bandung high-speed rail site

Jakarta–Bandung HSR

Indonesia · Φ13.24 m · volcanic gravel

CRCC Mumbai project site

CRCC Mumbai Metro

India · Φ12.19 m · basalt & breccia

CRCC Bangalore project site

CRCC Bangalore Metro

India · Φ6.6 m · full-section hard rock

Seosan power utility tunnel, South Korea

Seosan Power Tunnel

South Korea · Φ3.15 m · sandstone & hard rock

Cairo Metro Line 4 site, Egypt

Cairo Metro Line 4

Egypt · Φ6.73 m · aeolian & coarse sand

Gyeonggi power utility tunnel, South Korea

Gyeonggi Power Tunnel

South Korea · Φ3.6 m · weathered rock

Larsen & Toubro Mumbai project site

L&T Mumbai

India · Φ12.19 m · hard rock & sand

4.5

Flexible Business Models

Own it, lease it, or let us operate it
01 · Sales

Purchase

Complete STP package delivered, installed and commissioned to your project parameters.

02 · Leasing

Rental

Time-based equipment rental — ideal for single-drive projects without long-term capital commitment.

03 · Operation

Managed Operation

We deploy equipment, technicians and operators; settlement is linked to project performance and revenue share.

KMKS slurry separation station at work

Hydroshield, Complete

KMKS slurry treatment + our SPB / EPB machines = one integrated Hydroshield package. A single accountable partner for the mud circuit — from cutterhead to filter cake.

Inquire About Slurry Systems Explore TBM Machinery
TBM fleet and global projects visual
04 · Services & Compliance

European Localization,
Remanufacturing & Compliance

Beyond hardware — lifecycle engineering, decarbonization through remanufacturing, 24/7 field support, and full compliance documentation for European projects.

5.1

Remanufacturing & Decarbonization

Second-life TBMs, first-life performance
ESG

Green Building & ESG Alignment

Remanufactured machines support European green-construction and ESG targets — embodied carbon is retained, new-build emissions avoided.

Cost

30 – 50% Procurement Savings

Restore used TBMs to near-new performance at 30–50% below new-machine procurement cost, with warranty-backed acceptance.

Quality

New-Performance Acceptance

Full teardown, re-engineering, main-bearing replacement and factory acceptance testing before delivery to the European site.

5.2

Global Field Support & Training

24/7, wherever the shield is
24/7

Remote & On-Site Response

  • 24/7 remote diagnostics & engineer hotline
  • Fast spares dispatch with customs handling
  • Deployable containerized tool workshops
Training

Operator & Maintenance Training

  • On-site technical consultants during TBM assembly & launch
  • Cutter management & tool-changing training for crews
  • MWD & probing system operator programs
5.3

Compliance & Certifications

Documentation your EPC expects
CE Marking

CE

Machinery Directive documentation available for the European market.

Quality

ISO 9001 · 14001 · 45001

Quality, environment and occupational health & safety management systems.

Product

National Certified Products

Products certified by the China Quality Inspection Association as national authority-tested, standard-compliant.

Request Full Documentation Set
5.4

How We Work With You

One accountable interface, end to end
STEP 01

Inquiry & Site Data

Share tunnel geometry, geology (UCS, water, faults) and schedule — one technical interface for all three product lines.

STEP 02

Engineering & Proposal

Machines, probing packages and cutter matrices engineered to your strata, with commercial proposal and lead times.

STEP 03

Manufacturing / Remanufacturing

Factory acceptance testing, compliance documentation and third-party inspection on request.

STEP 04

Delivery & Customs

Sea/air freight, customs coordination and site handover with containerized workshop options.

STEP 05

Field Support & Consumables

24/7 support, training, spare cutters and brushes stocked for rapid European dispatch.

06 · Contact & Project Inquiry

Contact &
Project Inquiry

Tell us about your tunnel — we will route your inquiry to the right engineering team and come back with a structured technical response.

TunnelTech Europe

CoverageTBMs & shaft machines · advance probing & grouting · roller cutters & seals · slurry treatment plants (STP) · remanufacturing & field service
ManufacturersCCCC Tianhe · China Railway Southwest Research Institute · Shandong Tianyou · KMKS
BaseEuropean partner network with direct factory access in China
ResponseTechnical proposal within 5 working days of a complete inquiry

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