
Your Trusted Partner for
Industrial Machine Knives
LF Knives has been committed to providing customers with high-precision, high-quality machine knives, custom blades and CNC machining services. We support OEM production and sample-based customization for customers worldwide.


Quality Traceability System

15-Year Export Experience

OEM & CNC Custom Manufacturing
Precision Knives Made
For Your Production
Nanjing Liangfei Knife Manufacturing Co., Ltd. specializes in industrial machine knives, food cutting blades, recycling blades and precision CNC machining.
With 15 years of export experience, we support OEM customization from drawings or physical samples. For urgent custom sample projects, shipment can be arranged in as fast as seven days.

Years of Export
Experience
Fastest Sample
Dispatch
OEM & CNC
Manufacturing
Drawing or Sample
Customization
We Serve These Industries And More
Quality First,
Service Foremost
Delivering the highest quality machine knives is at the heart of our R&D, manufacturing and sales.
Every step of our production process and quality control system is built around stable cutting performance. Based on the customer’s drawings, samples and working conditions, LF Knives develops practical blade and CNC machining solutions.
Latest Information

OEM Manufacturer for Industrial Blades | Custom Factory Solutions
LF Knives provides OEM manufacturing for industrial machine knives, supported by drawing review, material selection, precision machining and production follow-up.
View More ›
Professional Alloy Steel Sugarcane Blades: The Ultimate Durability for Modern Harvesting
This article addresses the operational pain points of using standard carbon steel blades in mechanical sugarcane harvesting, such as rapid blunting and frequent breakage.
View More ›
Maximize Yield and Hygiene with Premium Slicer Blades
This article highlights the key challenges in the food processing industry, such as coating contamination and rapid blade wear when cutting frozen proteins.
View More ›
Frequently Asked Questions
LF Knives’ manufacturing facility is located in Mingjue Industrial Park, Nanjing, Jiangsu Province, China. We manufacture industrial machine knives and provide OEM customization and CNC machining services for customers worldwide.
We select appropriate Steel Grades for your applications. For example: Stainless steel such as 420, 440A and 440C. D2 (1.2379), SKD11, DC53, A8, 52100, SS, HSS (High Speed Steel) and Tungsten Carbide. Powder metal steel is also available for special application.
Blade service life depends on the material being cut, machine settings and operating conditions. Our team reviews these factors and recommends a suitable steel grade, hardness and heat-treatment process for the application.
Key stages from drawing review and material selection to machining, heat treatment and final inspection are controlled through our production and quality procedures.
Lead time depends on the material, dimensions and quantity. For urgent custom sample projects, shipment can be arranged in as fast as seven days after technical confirmation.

