High-Quality 20 Disc Blades Supplier & Suppliers

Precision Engineering for Global Industrial Slitting Excellence Since 1998

🌐 Global Status of 20 Disc Blades Industry

The Strategic Importance of Rotary Disc Blades

In the modern industrial era, 20 disc blades (referring to high-diameter rotary slitting knives) have become the backbone of high-speed processing lines. From the manufacturing of lithium-ion battery electrodes to the precise slitting of non-ferrous metal foils, the demand for high-performance circular knives has surged globally. As leading suppliers, we observe a shift toward materials that offer both extreme hardness and fracture toughness.

Global Procurement Trends

Procurement departments in Europe, North America, and Southeast Asia are increasingly looking for a supplier that offers more than just a product. There is a critical need for technical expertise in tungsten carbide metallurgy and precision grinding. Companies are moving away from low-cost, short-life blades toward high-investment, long-life tools that reduce machine downtime and improve product yield.

🏭 Sichuan Shen Gong Carbide Knives Co., Ltd.

Established in 1998 and located in Chengdu, China, Shen Gong is a national high-tech enterprise. For over 20 years, we have specialized in the research, development, and manufacturing of cemented carbide industrial knives. We boast complete production lines for WC-based cemented carbide and TiCN-based cermet, covering the entire process from RTP powder making to the finished product.

25+ Years Experience
ISO9001 Certified Quality
WC/TiCN Core Materials
Global Delivery
Shen Gong Factory Facility

πŸ› οΈ Localized Applications & Industrial Sectors

Li-ion Battery Slitting

LI-ION BATTERY

First in China to develop mirror-finish slitting knives for electrodes. Zero notches, no sticking.

Sheet Metal Processing

SHEET METAL

High-precision shear slitting knives exported to Germany and Japan for silicon steel and non-ferrous foils.

Corrugated Packaging

CORRUGATED

World’s largest manufacturer for slitter scorer knives. Providing full-system parts.

Chemical Fiber Slitting

CHEMICAL FIBER

Razor blades with exceptional edge sharpness, straightness, and symmetry for synthetic fibers.

Food Processing Blades

FOOD PROCESSING

Industrial knives for meat cutting, sauce grinding, and nut crushing processes.

Metal Machining

METAL MACHINING

TiCN-based cermet tools for smooth surface finishing on ferrous metal parts.

πŸ’Ž Professional Solutions Provider

Rooted in knife, but far beyond knife. Striving for Excellence, Forging Ahead with Determination.

OEM Production & Stability

Production is carried out in accordance with the ISO quality system, effectively ensuring stability between batches. Simply provide your samples; we do the rest.

Comprehensive Analysis

Whether it's geometric shapes or material properties, Shen Gong provides reliable analytical results to solve your cutting challenges.

Sustainability & Recycling

Cherishing the finite, creating the infinite. We offer re-sharpening and recycling services for used carbide knives for a greener planet.

Worldwide Logistics

Strategic partnerships with globally renowned courier companies ensure fast worldwide shipping and multilingual support within 24 hours.

πŸ“ˆ Industry Trends & The "China Factory" Advantage

The global market for 20 disc blades is currently undergoing a significant technological transformation. With the rapid expansion of the Electric Vehicle (EV) industry, the demand for ultra-precision slitting of lithium battery foils has reached an all-time high. Manufacturers now require tolerances in the micron range, which only a supplier with advanced sintering and grinding technology can provide.

As a specialized Chinese factory, Sichuan Shen Gong Carbide Knives Co., Ltd. offers a unique advantage. Unlike mere distributors, we control the entire value chain. From the development of our own RTP (Ready-To-Press) powder to final inspection, we ensure that the metallurgical properties of every blade are optimized for its specific application.

One major trend is the move toward Cermet (TiCN) materials for metal slitting. Cermet offers a lower affinity with ferrous metals, resulting in an exceptionally smooth surface finish and reduced material build-up on the edge. This innovation significantly extends tool life and improves the quality of the slitted coil edges.

Furthermore, the "China Advantage" today is defined by the integration of AI-driven manufacturing and traditional craftsmanship. Our factory utilizes high-precision CNC grinding machines to achieve mirror finishes that were previously only possible through expensive German or Japanese suppliers. By choosing us as your supplier, you gain access to tier-one quality at a competitive price point, supported by a professional sales team offering multilingual services.

Localized application scenarios also highlight our versatility. For example, in the European packaging industry, our carbide slitting blades have delivered a 20% increase in tool life for high-speed corrugated cardboard lines. In medical manufacturing, our tungsten carbide blades provide the requisite sharpness and biocompatibility for delicate surgical instrument components.

πŸš€ Specialized Carbide & Cermet Blades

Chemical Fiber Cutting Blade

Chemical Fiber Cutting Blade

Coil Slitting Knife

Coil Slitting Knife

Corrugated Slitter Scorer Knife

Corrugated Slitter Scorer Knife

Crusher Blade

Crusher Blade

Film Razor Blades

Film Razor Blades

Li-Ion Battery Electrode Knives

Li-Ion Battery Electrode Knives

Rewinder Slitter Bottom Knife

Rewinder Slitter Bottom Knife

Tube & Filter Cutting Knife

Tube & Filter Cutting Knife

Latest Press & Insights

Follow us to get the latest news on industrial knives and slitting technology.

Feb, 12 2026

New Year Holiday Notice

As the New Year approaches, we thank our partners for their trust. Our facilities will be operational following the spring festival...

Feb, 02 2026

Facing Market Changes

The global manufacturing recovery is driving changes in raw material supply for tungsten carbide. We are deepening long-term cooperation...

Jan, 03 2026

European Plant Case Study

A packaging plant experienced a 20% increase in tool life after switching to Shen Gong high-precision slitting blades...