High-Quality Straight Blade Factory & Factories

Global Leader in Industrial Carbide Knives & Precision Cutting Solutions Since 1998

ADVANTAGE PRODUCTS

Carbide Blades for a Wide Range of Industrial Slitting Applications

Our engineering team matches precise tungsten carbide (WC-based) grades and cermet (TiCN-based) matrices to optimize hardness, fracture toughness, and wear characteristics under severe mechanical stresses.

Chemical Fiber Cutting Blade

Chemical Fiber Cutting Blade

Highly wear-resistant tungsten carbide formulation designed for stable continuous drawing processes, delivering outstanding edge sharpness.

Coil Slitting Knife

Coil Slitting Knife

Engineered for high-capacity sheet metal slitting, maintaining precise tolerances and eliminating unwanted edge deformation.

Corrugated Slitter Scorer Knife

Corrugated Slitter Scorer Knife

Industry-standard blades for pristine cardboard slicing. Reduces dust accumulation and maximizes structural integrity of outer layers.

Crusher Blade

Crusher Blade

Tough, impact-resistant straight blades that resist micro-chipping even when grinding composite plastics and tough polymers.

Film Razor Blades

Film Razor Blades

Mirror-finish straight edges for ultra-thin PET, PE, and OPP films. Low coefficient of friction prevents heat build-up and film melting.

Li-Ion Battery Electrode Knives

Li-Ion Battery Electrode Knives

Engineered to slit copper and aluminum current collectors coated with active cathode/anode materials. Zero micro-notches guarantee pristine slitting quality.

Rewinder Slitter Bottom Knife

Rewinder Slitter Bottom Knife

Perfect counterpart for top slitting assemblies. Precisely ground outer diameters ensure stable contact points for continuous runs.

Tube & Filter Cutting Knife

Tube & Filter Cutting Knife

Engineered for clean shear cross-cutting of composite filter cores and paper-based tubes without compromising roundness.

Shen Gong Carbide Knives Manufacturing Center
About SHEN GONG

MAKE SHARP EDGE ALWAYS IN REACH

Sichuan Shen Gong Carbide Knives Co., Ltd. was established in 1998. Located in Chengdu, southwest of China, Shen Gong is a national high-tech enterprise specializing in the research, development, manufacturing, and sales of cemented carbide industrial knives and blades for over 25 years.

Shen Gong boasts complete production lines for WC-based cemented carbide and TiCN-based cermet for industrial knives and blades, covering the entire process from RTP (Ready-to-Press) powder preparation to the finished, ultra-precision polished edge. This vertically integrated control ensures unmatched batch-to-batch consistency.

Established in 1998
Shen Gong Logo Inline ISO 9001 Certified Quality Control
Market Intelligence

Global Procurement Dynamics for Straight Blades

Analyzing the macro-economic forces, sourcing strategies, and technical benchmarks that modern procurement departments demand in high-speed slitting lines.

TCO Optimization Models

For Fortune 500 converting plants, the purchase price of a straight blade represents less than 15% of its total cost of ownership (TCO). The remaining 85% is driven by blade lifetime, line downtime during blade changeovers, and waste generated by burrs or dust. Shen Gong works closely with enterprise procurement teams to provide grade-specific tungsten carbide solutions that extend operational life cycles by up to 200%, significantly reducing cost per slit meter.

Supply Chain Resilience

Global industrial output depends heavily on tungsten and cobalt supply stability. By maintaining complete control over our raw material processing (RTP powder formulation), Shen Gong minimizes macroeconomic supply chain disruptions. This allows us to offer reliable, long-term price forecasting and contracted inventory programs for global OEMs in the Americas, Europe, and Asia-Pacific regions.

25+ Years of R&D Excellence
50+ Global Exporting Regions
100% In-House Powder Processing
≤0.2μm Ultra-Precision Edge Finish
OUR VISION & CORE VALUE CAPABILITIES

Engineering Values Built on Decades of Mastery

Since 1998, SHEN GONG has grown from a specialized workshop into an ISO9001 certified global leader, committed to providing professional, reliable, and durable industrial knives.

  • 01

    OEM Production

    Production is carried out in strict accordance with the ISO quality system, ensuring excellent batch-to-batch stability. Simply provide your drawings or physical samples, and our engineering team handles the rest.

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  • 02

    Solution Provider

    Rooted in knife manufacturing, but extending far beyond the physical blade. Shen Gong's R&D division acts as your consulting engineering team to solve challenging slitting line issues.

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  • 03

    Analysis & Diagnosis

    Whether analyzing cutting edge geometry, inspecting micro-fractures, or measuring material properties, our laboratories deliver clear metallurgical and structural results.

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  • 04

    Knives Recycling

    Cherishing resources, generating sustainability. To support green manufacturing initiatives, Shen Gong offers industrial re-sharpening and recycling services for worn carbide knives.

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  • 05

    Quick Response

    Our professional technical sales team provides multilingual support. Contact us for direct engineering consultation, and we will respond to your request within 24 hours.

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  • 06

    Worldwide Logistics

    Shen Gong has long-term partnerships with globally renowned express carriers and freight forwarders, ensuring fast, safe, and trackable shipping worldwide.

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MACRO INDUSTRY SOLUTIONS

Optimized for Diverse Converting Environments

We design customized metallurgical structures and geometry configurations tailored to the precise requirements of specific manufacturing sectors.

Rubber, Plastic & Recycling Industrial Knives

RUBBER/PLASTIC/RECYCLING

Shen Gong's high-toughness carbide materials are developed specifically for pelletizing knives in raw polymer production and heavy-duty shredding blades for post-consumer waste recycling.

Chemical Fiber & Non-Woven Blades

CHEMICAL FIBER/NON-WOVEN

Straight razor blades designed for cutting synthetic fibers and non-woven structures. Exceptionally sharp edges, symmetry, and polished micro-surfaces result in clean cuts with zero trailing threads.

Food Processing Knives

FOOD PROCESSING

Corrosion-resistant steel and specialized carbide grades designed for high-hygiene food processing. Used for high-speed cutting, portioning, and grinding across automated production lines.

Medical Cutting Tools

MEDICAL

High-precision straight and circular knives optimized for medical packaging and device manufacturing. Tight dimensional tolerances prevent packaging seal compromises.

Metal Machining Cermet Inserts

METAL MACHINING

We provide TiCN-based cermet cutting tools for steel finishing. Their low affinity with ferrous metals prevents built-up edge formation, ensuring a highly reflective surface finish.

Corrugated Board Slitting Blades

CORRUGATED

Shen Gong is the world's largest manufacturer of corrugated slitter-scorer knives. We also supply matching resharpening grinding wheels and cross-cut shear blades to optimize entire production lines.

Packaging and Printing Slitting Knives

PACKAGING/PRINTING/PAPER

Combining wear-resistant carbide substrates with customized surface treatments, including anti-adhesion, high corrosion resistance, and dust-suppression coatings.

Lithium-Ion Battery Slitting Knives

LI-ION BATTERY

Shen Gong is the first company in China to develop precision slitting knives specifically designed for lithium-ion battery electrodes. Featuring a mirror-finish edge with zero micro-notches, they prevent material build-up at the tip.

Sheet Metal Coil Slitting Knives

SHEET METAL

Our high-precision shear slitting knives are exported globally, including to Germany and Japan. They are widely used in coil processing lines, particularly for slitting silicon steel sheets and thin non-ferrous foils.

Future Engineering Outlook

Technology Roadmap & Advanced Metallurgy

Driving the cutting industry forward with advanced chemical vapor deposition, submicron grain sizes, and automated grinding systems.

Submicron Carbide Structuring

Traditional carbide structures fail under extreme shear tension. Our current R&D focuses on nano-grain formulations, where tungsten carbide grain sizes are kept below 0.5 microns. This increases both edge hardness and fracture toughness, resolving the typical trade-off between the two.

Advanced Barrier Coatings

By utilizing ETaC-3 (extreme wear-resistant amorphous carbon) and custom PVD processes, we reduce friction and chemical interaction at the cutting point. This prevents active binders in modern battery electrodes from sticking to the knife.

Smart Slitting Integration

Future converting lines will rely on real-time sensor feedback. Shen Gong is collaborating with European machinery manufacturers to develop knife holders and blade monitoring units that detect vibrations and thermal spikes, preventing unexpected blade failures before they occur.

Technical Knowledge Base

Frequently Asked Questions: Industrial Straight Blades

Answers to common technical and sourcing questions from production managers and engineering teams.

Q: How does tungsten carbide grain size affect straight blade performance?

A: The grain size of tungsten carbide directly influences the balance between hardness and toughness. Coarse-grained structures offer higher impact resistance but wear faster. Submicron or ultra-fine grain carbide provides high wear resistance and allows for a sharper, more stable edge, making it ideal for slitting thin foils and films where burr prevention is critical.

Q: Why are cermet (TiCN) straight blades preferred over WC blades in certain metal slitting applications?

A: Titanium Carbonitride (TiCN) cermet exhibits a lower chemical affinity for ferrous metals compared to tungsten carbide. During high-speed steel slitting, this prevents material from welding to the blade edge, reducing heat build-up and ensuring a cleaner, burr-free finish.

Q: What parameters are critical to specify when requesting custom straight blade manufacturing?

A: To ensure optimal performance, we require the precise material being cut, thickness, slitting speed, target run times, and dimensional drawings showing thickness, length, hole locations, and edge bevel angles.

Q: How does ETaC-3 coating improve battery electrode slitting?

A: ETaC-3 is a specialized amorphous carbon coating that provides high surface hardness and a low coefficient of friction. It prevents abrasive lithium battery cathode coatings from sticking to the cutting edge, reducing drag and extending blade life.

Q: Does Shen Gong provide re-sharpening services?

A: Yes. We offer precision re-sharpening using automated grinding machinery to restore the original edge profile and tolerances. This service helps extend the total service life of high-value carbide knives.

Press & News

Industry Insights and Operational Updates

Follow our latest technical publications, organizational announcements, and global success stories.

New Year Holiday Notice Feb, 12 2026

New Year Holiday Notice & Our Best Wishes

Dear Valued Partners and Customers, As the New Year approaches, we would like to take this opportunity to sincerely thank you for your trust and support over the past year. Please be informed that our company will be closed for the New Year holiday from [2026/2/14] to [2026/2/21]...

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SG Insights
Feb, 02 2026

Facing Market Changes and Deepening Long-Term Cooperation

The manufacturing recovery and growing demand in emerging sectors are driving changes in the supply and demand of key raw materials like tungsten carbide. Supply lines must adapt to ensure stability...

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European Packaging Plant Case Study Jan, 03 2026

European Plant Receives 20% Longer Tool Life After Using Shenggong Blades

A European packaging plant experienced a 20% increase in tool life after switching to Shen Gong's carbide slitting blades for their high-speed corrugated card production lines, significantly reducing scheduled downtime...

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