I. TBM Cutters

(I) Product Definition

TBM Cutters are the core rock-breaking components of tunnel boring machines / roadheaders, used for cutting and crushing rock, soil and other geological media during tunnel excavation. They directly determine the efficiency and safety of tunnel construction, can be precisely matched with all major global TBM models, and are key supporting parts for overseas tunnel projects.

(II) Specifications & Parameters

1.Types: Full series including standard roller cutters, center cutters, edge cutters, rip cutters, scrapers, precutters, etc. Custom special models available upon request.

2.Dimensions: Cutter diameter 15"–21", compatible with various TBM models. Interchangeable with disc cutters of overseas mainstream brands such as Herrenknecht and Robbins.

3.Load Capacity: 10–35 tons, flexibly adjustable according to construction strata.

4.Applicable Rock Formations: Uniaxial saturated compressive strength 20–300 MPa, covering soft soil, composite strata, hard rock and other geological conditions.

5.Key Components: Equipped with TIMKEN bearings, matched with imported or domestic branded seals and imported lubricants to ensure stable operation.

6.Cutter Ring Parameters: High-alloy steel, button-type, composite material cutter rings available; edge shape customizable；Hardness: HRC 57–59 (standard steel cutter rings)、HRA 86–87.5 (button-type cutter ring alloy)；Wear-resistant phase content optimizable per requirements.

(III) Core Advantages

1.Strong Compatibility: Interchangeable with mainstream overseas TBM models, supports customized design. Optimized structure for geological characteristics of different regions (e.g., alternating hard‑soft strata in Europe, composite strata in Southeast Asia), with compatibility far exceeding industry average.

2.Outstanding Durability: Adopts vacuum degassing + electroslag remelting purification, combined with die forging and vacuum heat treatment, resulting in purer and denser cutter ring structure. With high-quality sealing system (waterproof, dustproof, wear-resistant), service life extended by over 30% compared with traditional cutters, greatly reducing replacement costs and downtime losses for overseas customers.

3.Advanced Technology: Proprietary patented technologies; participated in national key projects including the “Seventh Five-Year Plan” wear-resistant materials and shaft cutter R&D, and the National 863 Program. Core products certified as high-tech products. The new replaceable precutter with inlaid sheet diamond avoids cutter changes in soft soil and soft sand strata, ensuring long-distance excavation.

4.Regulatory Compliance: Meets overseas market access requirements; supports CE, SGS and other international certifications upon request, complying with technical and environmental standards in Europe, Southeast Asia and other regions.

5.Cost-Effectiveness: Annual production capacity of 30,000 sets enables large-scale production and lower costs, providing a more competitive price and reducing procurement costs for overseas customers.

(IV) Application Scenarios

Suitable for various overseas tunnel projects, urban rail transit, highway & railway tunnels, municipal pipelines, river-crossing tunnels, etc. Especially ideal for excavation under complex geological conditions: alternating hard‑soft strata in Europe, composite strata in Southeast Asia, highly abrasive strata in Oceania. Successfully applied in many projects in Europe, America, Southeast Asia and other overseas markets.

(V) Quality Standards

1.Domestic Standards: Certified under GB/T19001-2016 (formerly GB/T19001-2000) Quality Management System, covering design, development, production and service of rock-breaking cutters.

2.International Adaptation: Compliant with ISO9001 international quality standards; producible to CE, SGS and other overseas certification standards, meeting safety, environmental, explosion-proof requirements in Europe, Southeast Asia, etc. Product qualification rate above 99.6%.

3.Enterprise Standards: Strict full-process quality inspection system from raw material procurement, processing, finished product testing to factory acceptance. Professional inspection for each procedure ensures dimensional accuracy, hardness, wear resistance and other indicators meet overseas customer requirements. Complete quality inspection reports and traceable certificates provided.

II. Raise Boring Machine (RBM) Roller Cutter

(I) Product Definition

Raise Boring Machine (RBM) Roller Cutters are core rock-breaking components for raise boring machines, specially used for vertical or inclined raise and chute excavation in mines, tunnels and other projects. They break rock through rolling extrusion to achieve high-efficiency rock breaking, meeting core demands of overseas mining and underground engineering construction.

(II) Specifications & Parameters

1.Types: 5-ring, 6-ring RBM roller cutters and other series; customizable ring count and dimensions upon request.

2.Dimensions: Diameter 8"–14", adjustable according to RBM model, compatible with mainstream overseas raise boring machines.

3.Applicable Rock Formations: Rock strength F=6–18, mainly for medium-hard and hard rock formations with stable rock-breaking performance.

4.Structural Features: Tungsten carbide inlaid structure; cutter body made of high-performance air-quenched alloy steel, heat-treated hardness HRC40–50.

5.Sealing Performance: Multi-layer sealing structure, adaptable to high-humidity, high-dust underground conditions, waterproof and dustproof, preventing bearing damage and extending service life.

(III) Core Advantages

1.High Rock-Breaking Efficiency: Optimized cutter layout and edge design ensure uniform rock breaking and fast excavation speed, with efficiency increased by over 20% compared with traditional cutters, meeting high-efficiency construction requirements of overseas mines.

2.Wear & Impact Resistance: High-hardness tungsten carbide cutters with special heat treatment deliver excellent wear resistance, withstand impact loads in complex underground strata, resist fracture and wear. Average service life reaches industry-leading level under highly abrasive conditions.

3.Strong Customization: Customizable ring count and cutter material according to overseas customers’ RBM models and formation hardness, providing strong compatibility for personalized demands of different overseas mines.

4.Reliable Quality: Supported by profound technical accumulation and participation in national shaft cutter R&D programs. Products pass strict fatigue tests and field verification, with low failure rate, suitable for long-term continuous operation in overseas mines.

(IV) Application Scenarios

Mainly used for raise and chute excavation in overseas mining (coal, metal mines, etc.), ventilation shafts and drainage shafts in hydropower stations and tunnel projects. Especially suitable for efficient excavation in medium-hard and hard rock formations, meeting construction demands in mining-concentrated regions such as Southeast Asia, Africa, South America, greatly improving efficiency and safety of underground mine engineering.

(V) Quality Standards

1.Domestic Standards: Complies with GB/T19001-2016 Quality Management System, strictly controlling raw material quality and production process to ensure stable performance.

2.International Adaptation: Meets international mining equipment quality standards; products can be provided in accordance with local mine safety regulations, supporting CE, SGS and other international certification testing.

3.Enterprise Standards: Each cutter undergoes hardness, sealing, fatigue and multiple tests to ensure cutter hardness, bearing performance, sealing effect and other indicators meet standards. Complete quality inspection reports provided before delivery, with full production traceability.

III. Reverse Circulation Drilling (RCD) Roller Cutter

(I) Product Definition

Reverse Circulation Drilling (RCD) Roller Cutters are core supporting components for reverse circulation drilling rigs. Combined with reverse circulation drilling technology, they are used for rock crushing and drilling in geological exploration, mining, pile foundation engineering. They break rock with cutters while realizing reverse circulation discharge of cuttings, balancing rock-breaking efficiency and cuttings removal, suitable for various overseas drilling projects.

(II) Specifications & Parameters

1.Dimensions: Diameter 8"–12", customizable according to RCD rig model and drilling depth, compatible with mainstream overseas reverse circulation drilling rigs.

2.Applicable Rock Formations: Uniaxial saturated compressive strength 20–300 MPa, covering soft soil, sandy gravel, medium-hard rock and other strata with wide applicability.

3.Cutter Parameters: High-quality tungsten carbide YG10, YG13C; density 14.1–14.6 g/cm³; hardness HRA86–87.5; bending strength ≥2400 N/mm, adaptable to different abrasive strata.

4.Load Capacity: 5–25 tons, adjustable according to drilling pressure and formation hardness to ensure drilling stability.

(III) Core Advantages

1.Wide Strata Adaptability: Suitable for soft soil, sandy gravel, medium-hard rock and other complex strata without frequent cutter changes, reducing construction costs and downtime for overseas customers, especially ideal for composite strata in Southeast Asia.

2.Excellent Durability: Cutters made of imported or domestic high-quality tungsten carbide; cutter body made of high-performance alloy steel with vacuum heat treatment, featuring outstanding wear and impact resistance and long service life.

3.Regulatory Compliance: Product design optimized to meet local safety and environmental standards for geological exploration and mining construction in overseas markets; supports CE, SGS and other international certifications to ensure smooth customs clearance.

4.High Cost-Effectiveness: Large-scale production reduces costs, offering more competitive prices than similar overseas products. Complete after-sales technical support provided to solve various problems during use for overseas customers.

(IV) Application Scenarios

Suitable for overseas geological exploration, mining, highway & railway pile foundation engineering, municipal infrastructure construction. Applicable to drilling in soft soil, sandy gravel, medium-hard rock strata, especially for pile foundation and mining exploration projects in Southeast Asia, Middle East and precise drilling in European geological exploration.

(V) Quality Standards

1.Domestic Standards: Complies with GB/T19001-2016 Quality Management System, strictly implementing full-process standards including raw material inspection, production control and finished product testing.

2.International Adaptation: Compliant with ISO9001 international quality standards; supports CE, SGS and other international certification services upon overseas customer request to ensure market access.

3.Enterprise Standards: Cutter hardness, bending strength, sealing performance, dimensional accuracy and other indicators professionally tested to ensure stable operation under different drilling conditions. Complete quality inspection reports and technical parameter descriptions provided.

IV. Wear & Heat-Resistant Material

(I) Product Definition

Wear & Heat-Resistant Materials are functional materials for components of engineering machinery, mining equipment, metallurgical equipment. They feature excellent wear resistance, heat resistance and corrosion resistance, extend service life of equipment parts, reduce maintenance costs, adapt to extreme working conditions (high temperature, high wear, high corrosion) overseas, and are key supporting materials for overseas engineering machinery, mining, metallurgy and other industries.

(II) Specifications & Parameters

1.Material Types: High-chromium alloy, high-manganese steel, heat-resistant steel series, manufacturable into liners, bushes, wear parts and various finished products to meet different equipment needs.

2.Wear Resistance: Hardness adjustable per working conditions; wear-resistant phase content ≥10% (high-wear models); wear resistance improved by over 40% compared with conventional materials.

3.Heat Resistance: Long-term operating temperature -40°C to 1200°C, resistant to oxidation and deformation under high temperature, suitable for overseas high-temperature smelting and mining operations.

3.Dimensions: Thickness 5–100 mm; length and width customizable; maximum single-piece weight producible on demand. Annual capacity over 10,000 tons to meet overseas bulk procurement.

4.Compatibility: Precisely fits parts of various overseas engineering machinery, mining equipment, metallurgical equipment; customizable material and dimensions according to equipment model and working conditions.

(III) Core Advantages

1.Excellent Performance: Outstanding wear resistance, heat resistance and corrosion resistance, stable long-term use under extreme overseas conditions (high temperature, high wear, high corrosion), greatly extending service life of equipment parts and reducing maintenance costs and downtime.

2.Diverse Materials: Multiple grades available; suitable material models recommended according to specific overseas working conditions (high temperature & humidity in Southeast Asia, high dust in Middle East, high-temperature smelting in Europe) to meet personalized needs.

3.Flexible Customization: Customizable specifications and shapes according to overseas customers’ equipment models, part dimensions and working conditions, with strong adaptability, ready for direct installation without secondary processing.

4.Advanced Technology: Participated in national “Seventh Five-Year Plan” wear-resistant material R&D; mature material formulas and production processes, stable product quality, multiple high-tech certified products, leading industry technology level.

5.Cost-Effectiveness: Annual capacity over 10,000 tons reduces production costs; more competitive price than similar overseas materials while meeting performance requirements, helping overseas customers lower procurement and comprehensive operation costs.

(IV) Application Scenarios

Widely used in overseas mining (equipment liners), metallurgy (high-temperature furnace liners, heat-resistant parts), building materials, electric power and other industries. Suitable for extreme conditions: high temperature, high wear, high corrosion. Especially ideal for regions such as high temperature & humidity in Southeast Asia, high dust in Middle East, high-temperature smelting in Europe, greatly improving equipment service life and operation efficiency.

(V) Quality Standards

1.Domestic Standards: Complies with GB/T19001-2016 Quality Management System, strictly controlling material formula, smelting, forging, heat treatment and other production links to ensure stable performance.

2.International Adaptation: Meets international quality standards for wear & heat-resistant materials; supports CE, SGS and other international certifications upon request, complying with local industrial and environmental requirements.

3.Enterprise Standards: Each batch tested for hardness, wear resistance, heat resistance, corrosion resistance and other key indicators to meet design and overseas customer standards. Complete quality inspection reports and material certificates provided.

V. Overseas Market Adaptation Notes

1.Regulatory Compliance: All products certified under ISO9001 Quality Management System. Assistance in applying for CE, EAC, SGS and other international certifications according to market access requirements of Europe, America, Southeast Asia, Middle East and other regions, ensuring smooth customs clearance and compliance with local safety, environmental and technical specifications.

2.Customized Adaptation: All products support OEM/ODM customization. Personalized solutions provided for different geological characteristics (alternating hard‑soft strata in Europe, composite strata in Southeast Asia, highly abrasive strata in Oceania) and overseas equipment models for precise matching.

3.Service Adaptation: Multilingual product materials and technical support (English, Spanish, Russian, Arabic, etc.). Full-cycle services including fast after-sales response, installation guidance, maintenance, spare parts supply for overseas customers. Overseas warehouses available in some regions to shorten delivery lead time.

4.Production Capacity Guarantee: Annual capacity of 30,000 sets of rock-breaking cutters and over 10,000 tons of wear & heat-resistant parts, satisfying bulk overseas orders with controllable delivery cycles to meet project schedules.