Custom Rotary Slitter Blades Manufacturer & Factory

Pioneering High-Precision Industrial Cutting Solutions, Tungsten Carbide & Cermet Innovations Since 1998

⚡ ADVANTAGE PRODUCTS

Carbide blades for a wide range of industrial slitting applications

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

Shen Gong Factory Overview

🏢 ABOUT SHEN GONG

MAKE SHARP EDGE ALWAYS IN REACH

Sichuan Shen Gong Carbide Knives Co., Ltd. was established in 1998. Located in southwest of China, Chengdu. Shen Gong is a national high-tech enterprise specializing in the research, development, manufacturing, and sales of cemented carbide industrial knives and blades more than 20 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 powder making to finished product.

View More

📜 Industrial White Paper: Technical Excellence & Global Strategy

Deep-dive analysis into the material science, manufacturing agility, and structural advantages of custom rotary slitter blades in modern industrial workflows.

🔬 1. Metallurgy & Material Science: The Backbone of Custom Rotary Slitter Blades

At the center of high-performance cutting operations is the careful selection of tungsten carbide (WC) grades and cobalt (Co) or nickel (Ni) binder matrices. As a leading manufacturer and factory, Shen Gong utilizes state-of-the-art vacuum sintering and HIP (Hot Isostatic Pressing) technologies to eliminate internal micro-porosities. This guarantees high transverse rupture strength (TRS) and optimal hardness consistency across every custom rotary slitter blade produced.

Furthermore, our advanced TiCN-based cermet solutions offer exceptionally low affinity with ferrous and non-ferrous materials, completely eliminating edge built-up (EBU) and ensuring microscopic edge retention even under extreme high-speed processing environments.

🌐 2. Global Industrial Status & Localized Applications

In contemporary high-speed manufacturing—ranging from lithium-ion battery electrode separation and multi-layer corrugated packaging to precision chemical fiber shearing—the tolerance window has shifted from millimeters down to sub-microns. Global industrial plants face mounting pressures to maximize uptime and minimize scrap rates. Custom rotary slitter blades tailored to specific local operational parameters (such as abrasive paper coatings, sticky polymer films, or high-conductivity metal foils) are no longer optional; they are critical capital assets that directly influence enterprise profitability.

🇨🇳 3. China Factory Supply Chain Resilience & Economic Efficiency

Operating out of Chengdu, Sichuan, Shen Gong leverages China’s integrated tungsten supply chain ecosystem. From Raw Tungsten Powder (RTP) formulation to precision CNC grinding and mirror-finish edge polishing, our vertically integrated manufacturing facility ensures exceptional supply chain resilience. This end-to-end control insulates our global partners from market volatility, guarantees strict batch-to-batch consistency, and delivers unmatched cost efficiency without ever compromising structural integrity.

🚀 4. Future Technology Roadmap: Smart Cutting & Green Recycling

Looking toward Industry 4.0, our R&D roadmap focuses heavily on smart IoT-enabled blade monitoring integration, nanometer-scale PVD/CVD coatings (such as ETaC-3), and closed-loop carbide recycling initiatives. By transforming used industrial knives back into high-grade secondary raw materials, Shen Gong actively drives sustainability while reducing carbon footprints for international manufacturing partners across Europe, North America, and Asia.

🎯 VISION STATEMENT & BUSINESS PHILOSOPHY

Since 1998, SHEN GONG has grown from a small workshop into an ISO9001 certified global enterprise. Striving For Excellence, Forging Ahead With Determination.

OEM Production

01. OEM Production

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

View More
Solution Provider

02. Solution Provider

Rooted in knife, but far beyond knife. Shen Gong's powerful R&D team is your back-up for industrial cutting and slitting solution.

View More
Analysis

03. Analysis

Whether it's geometric shapes or material properties, Shen Gong provides reliable analytical results.

View More
Knives Recycling

04. Knives Recycling

Cherishing the finite, creating the infinite. For a greener planet, Shen Gong offers re-sharpening and recycling service for used carbide knives.

View More
Quick Reply

05. Quick Reply

Our professional sales team offers multilingual services. Please contact us, and we will respond to your request within 24 hours.

View More
Worldwide Delivery

06. Worldwide Delivery

Shen Gong has long-term strategic partnerships with several globally renowned courier companies, ensuring fast worldwide shipping.

View More

🏭 Do You Need Which Industrial Sector's Knife?

Tailored cutting geometries and proprietary carbide formulations designed explicitly for demanding global vertical markets.

RUBBER/PLASTIC/RECYCLING

RUBBER/PLASTIC/RECYCLING

Shen Gong's high-toughness carbide materials are specially developed for producing pelletizing knives in plastic and rubber manufacturing, as well as shredding blades for waste recycling.

View More
CHEMICAL FIBER/NON-WOVEN

CHEMICAL FIBER/NON-WOVEN

Razor blades designed for cutting synthetic fibers and non-woven materials deliver superior performance due to their exceptional edge sharpness, straightness, symmetry, and surface finish.

View More
FOOD PROCESSING

FOOD PROCESSING

Industrial knives and blades for meat cutting, sauce grinding and nut crushing processes built with food-grade certified materials.

View More
MEDICAL

MEDICAL

Industrial knives and blades for medical device manufacturing requiring absolute precision and biocompatible surface treatments.

View More
METAL MACHINING

METAL MACHINING

TiCN based cermet cutting tools for steel part semi-finish to finish machining, offering very low affinity with ferrous metals for exceptional surface smoothness.

View More
CORRUGATED

CORRUGATED

Shen Gong is the world’s largest manufacturer for corrugated slitter scorer knives, along with resharpening grinding wheels and cross-cut blades.

View More
PACKAGING/PRINTING/PAPER

PACKAGING/PRINTING/PAPER

Advanced carbide technology delivering exceptional durability, with specialized anti-adhesion, corrosion resistance, and dust suppression treatments.

View More
LI-ION BATTERY

LI-ION BATTERY

First in China to develop precision slitting knives for lithium-ion battery electrodes featuring mirror-finish edges with absolutely no notches to prevent material sticking.

View More
SHEET METAL

SHEET METAL

High-precision shear slitting knives exported to Germany and Japan, widely used in coil processing and silicon steel sheet slitting for motor manufacturing.

View More

❓ Frequently Asked Questions (FAQ)

Expert insights regarding custom rotary slitter blades, material grades, and OEM ordering processes.

💡 What makes custom rotary slitter blades from Shen Gong superior?

Our blades utilize proprietary WC-based cemented carbide and TiCN cermet formulations produced entirely in-house from RTP powder to finished product. This ensures superior hardness, uniform grain structure, and extended tool life compared to standard commercial alternatives.

💡 Can Shen Gong manufacture custom rotary slitter blades from technical drawings or samples?

Yes. With over 25 years of OEM/ODM expertise, our R&D and engineering teams can design and manufacture bespoke cutting tools strictly according to your CAD drawings, blueprints, or physical worn samples.

💡 What industries benefit the most from carbide rotary slitting knives?

Industries processing high-abrasion or high-precision materials—such as lithium-ion battery electrode foils, non-woven chemical fibers, multi-layer corrugated paper, metal coils, and polymer films—experience massive efficiency gains.

💡 How does Shen Gong ensure international delivery safety and compliance?

We maintain long-term strategic partnerships with top global courier and logistics providers. All export shipments are securely packaged with industrial-grade anti-corrosion protection and comply fully with international trade and customs compliance standards.

📰 Press & News

Follow us to get the latest updates, technological breakthroughs, and industry insights regarding industrial knives.

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 sincerely thank you for your trust and support over the past year...

Read More
Feb, 02 2026

Standing Shoulder to Shoulder: Facing Market Changes and Deepening Long-Term Cooperation

The current market is undergoing a period of transformation. Global manufacturing recovery and growing demand in emerging sectors are driving changes in key raw materials supply...

Read More
European Packaging Plant Case
Jan, 03 2026

European Packaging Plant Receives 20% Longer Tool Life After Using Shenggong High-Precision Slitting Blades

A European packaging plant experienced a 20% increase in tool life after using Shenggong's carbide slitting blades for multi-layer corrugated cardboard...

Read More