Product Categories

Four different product types cover all kinds of cutting tools for machining; whatever your needs, we can produce them.Custom orders based on provided images are supported.    
Press Brake Tooling

Bending machine dies are key components used in sheet metal processing for bending and forming sheet metal. Mingbai dies are made of high-quality alloy steel, precision machined and hardened, possessing high strength and wear resistance, enabling precise bending. A complete range of dies is available, suitable for multiple brands of bending machines, and custom designs based on provided drawings are supported.

Long Blades

Long blades are widely used in industries such as papermaking, packaging, metal shearing, and plastics processing, featuring high hardness, high precision, and wear resistance. Mingbai Machinery uses high-quality alloy steel and vacuum heat treatment processes to ensure sharp blades, stable cutting, and long service life. Non-standard customization is supported to meet the needs of different equipment and working conditions.

Circular Blades

Circular cutters, also known as disc cutters or circular slitting cutters, are primarily used for slitting materials such as paper, film, textiles, metal foil, and rubber. Mingbai circular cutters are characterized by their sharpness, durability, and clean cuts. They employ a high-precision grinding process to ensure consistent cutting results. A variety of materials and sizes are available to meet the needs of efficient slitting production.

Special-Shaped Blades

Custom-shaped cutting blades are manufactured to meet specific customer needs for specialized cutting, punching, and forming processes. Mingbai Machinery possesses professional design and processing capabilities, enabling it to precision manufacture various custom-shaped cutting tools based on samples or drawings. Our products feature sharp cutting edges and high assembly precision, and are widely used in industries such as machinery manufacturing, food processing, and plastic recycling.

  • Press Brake Tooling
    Packaging machine serrated blades are cutting tools installed on automatic packaging equipment, primarily used to cut or seal flexible packaging materials such as packaging film, plastic film, aluminum foil composite film, and paper. They play a key role in packaging production lines in industries such as food, pharmaceuticals, daily chemicals, and electronics, directly impacting the appearance quality and production efficiency of finished products. The packaging industry uses blades to cut or trim materials such as cardboard, plastic film, and foam. They are used in packaging machines and equipment such as slitting machines, die-cutters, and laminating machines.
  • Press Brake Tooling
    The standard gooseneck upper die for bending machines is a commonly used type of upper die widely applied in sheet metal bending processes. Its unique gooseneck (C-shaped) structure effectively avoids interference with the edges of already formed workpieces, making it particularly suitable for multi-stage bending, complex shapes, and deep box-shaped workpieces. This die combines versatility and practicality, making it an indispensable basic tool in the sheet metal processing industry.
  • Press Brake Tooling
    The 30-degree American-style press brake upper die is a high-precision press brake die designed according to American standards. It is commonly used in sheet metal processing applications where high accuracy in bending angle and consistent forming are required. Its 30-degree sharp angle structure allows for a smaller inner radius during bending, making it suitable for precision bending of various materials such as stainless steel, carbon steel, and aluminum plates. It is one of the standard upper dies commonly used in CNC press brakes.
  • Long Blades
    A rolling knife (also known as a rolling slitting knife, steel plate slitting knife, or circular slitting knife) is a high-strength industrial tool used in the rolling, shearing, slitting, and finishing processes of sheet metal. It is primarily installed on slitting machines, slitting shears, rolling lines, and other metalworking equipment to precisely cut coils, strip steel, stainless steel, carbon steel, copper, aluminum, and other materials into strips of the desired width.
  • Long Blades
    The long blade is an industrial cutting tool with a simple structure and a wide range of applications. It is mainly used for straight-line cutting operations in industries such as plastics, rubber, paper, fiber, leather, metal sheets, wood and food processing.
  • Long Blades
    Paper cutter blades are high-precision industrial tools designed for cutting paper, cardboard, and printed materials. They are commonly installed in various paper trimmers, slitting machines, and rewinders, ensuring neat and rapid slitting of paper products. Made of high-quality alloy steel or tungsten steel (hard alloy), these blades are sharp, wear-resistant, and produce smooth cuts. They are widely used in industries such as printing, packaging, papermaking, and office equipment.
  • Circular Blades
    Polyurethane rubber sleeves (also known as polyurethane rubber rings, polyurethane rubber wheel sleeves, and polyurethane rubber roller sleeves) are wear-resistant protective components made of a high-strength metal core covered with a polyurethane elastomer. They are commonly used in rollers, slitters, winders, conveyors, and other parts of various mechanical equipment. Their primary functions are anti-slip, cushioning, protection, wear resistance, and scratch resistance.
  • Circular Blades
    Tungsten carbide circular blades (also known as tungsten steel circular knives or carbide circular cutters) are circular cutting tools made of carbide (a composite material composed of tungsten (W) and cobalt (Co)). Their distinguishing features include a disc-shaped design, evenly distributed cutting edges, wear resistance, high-temperature resistance, and excellent cutting performance. They are widely used in processing thin materials (such as film, paper, aluminum foil, and stainless steel strip), coil slitting, plastics, rubber, electronic sheets, and composite materials.
  • Circular Blades
    The tungsten carbide rewinder bottom knife is a key tool used in slitting equipment for coiled materials such as film, paper, copper foil, and aluminum foil. Installed at the bottom of a rewinder or slitter, it works in conjunction with the upper circular knife to achieve precision slitting. Made of high-quality tungsten carbide (hard alloy), this knife offers exceptional hardness, strong wear resistance, and a clean cut, making it suitable for high-speed, high-precision continuous slitting operations.
  • Special-Shaped Blades
    Pelletizer blades are known by many different names: pelletizing blades, pelletizing cutting blades, pelletizing knives, die-face cutting blades, die-face blades, hot die-face cutting blades, and pelletizer cutting blades. However, their purpose is the same: to recycle materials into pellets.
  • Special-Shaped Blades
    Mask blades are key components in mask production equipment, primarily used for cutting and shaping mask fabric, ear straps, nose bridges, and other materials. They are typically installed on mask machines, slitting machines, and edge banding machines to ensure clean, burr-free cuts, improving production efficiency and mask quality.
  • Special-Shaped Blades
    Tungsten carbide laminating machine blades are high-precision cutting tools designed specifically for laminating, slitting, and packaging machines. They are primarily used for slitting and trimming plastic films, paper-plastic composite films, metal foils, photovoltaic films, and other materials. Made from high-quality cemented carbide (tungsten carbide), the blades offer high hardness, high wear resistance, and exceptional cutting sharpness, ensuring smooth and efficient cutting performance even in high-speed production.

About Mingbai

Mingbai Machinery Tools Technology Co., Ltd., located in Bowang District, Ma'anshan — the hometown of China’s industrial blades, specializes in the design, manufacturing, and sales of industrial knives and machine tooling. Our main products include circular blades, long blades, customized shape blades, and press brake molds.With years of precision manufacturing experience and advanced CNC equipment, we provide high-precision, long-lasting cutting solutions for industries such as metalworking, paper, rubber, plastic, wood, and packaging.   We adhere to the principle of “Quality wins the market, Service builds trust”, continuously improving craftsmanship and inspection systems to become a world-class supplier of industrial blades.
    •     Professional Manufacturing Strength
    •     Premium Raw Materials
    •     Customization Service
    •     Strict Quality Control
    •     Global Market Experience

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Industries Served

Our services cover a wide range of industries, with the following being prime examples. No matter what industry you're in, we can customize perfect blades.

Latest News

We will keep you updated on the latest company news and keep you informed about the most advanced products and technologies.
  • Mingbai Machinery Tool Technology Holds 2026 "Quality Month" Launch Ceremony, All Employees Sign Quality Commitment
    July 02,2026
    Mingbai Machinery Tool Technology Holds 2026 "Quality Month" Launch Ceremony, All Employees Sign Quality Commitment
    Recently, Mingbai Machinery Tool Technology Co., Ltd. held a grand launch ceremony for its 2026 "Quality Month" campaign. The company's general manager, department heads, and more than 80 employees attended the event. Themed "Craftsmanship for Quality, Precision for the Future," this year's Quality Month aims to further strengthen quality awareness across the organization, consolidate the quality management foundation, and elevate the quality of the company's slitter shear blades, alloy blades, stainless steel blades, and circular knives through a month‑long series of activities, including quality promotions, skills competitions, special inspections, and customer follow‑ups.     Signed Commitment: Every Blade is a Quality Business Card   At the opening ceremony, the general manager delivered a motivational speech. He emphasized, "Quality is the foundation of Mingbai's existence. Every blade that leaves our factory is a business card we hand to our customers. I hope that all Mingbai employees will take this Quality Month as an opportunity to integrate the pursuit of quality into every process, every inspection, and every operation." Subsequently, all employees signed their names one by one on the commitment wall bearing the theme "Craftsmanship for Quality, Precision for the Future," expressing their firm determination to uphold quality standards. The densely packed signatures on the wall represented a powerful collective commitment to quality.   Activity Announcement: Four Major Modules Throughout September   The company's quality control manager detailed the Quality Month activity plan, which consists of four major modules. The first is the quality awareness enhancement module, including quality slogan collection, quality case sharing sessions, and quality knowledge contests, creating a company‑wide atmosphere focused on quality. The second is the skills competition module, which will organize job‑specific contests for grinding operations, heat treatment processes, precision inspection, and other positions, promoting learning and improvement through competition. The third is the special quality inspection module, led by the quality control department, conducting comprehensive inspections of the entire production process, identifying quality risks, and implementing corrective actions within specified timeframes. The fourth is the customer follow‑up module, where the sales and quality teams jointly form visit groups to go to key customer production lines to gather feedback and translate customer voices into improvement momentum.   Quality Stars: Honoring Front‑Line Craftsmen Who Uphold Quality   At the launch ceremony, the company also recognized individuals and teams that performed outstandingly in quality control during the first half of the year. Master Liu from the grinding department was named "Quality Star" for maintaining zero customer complaints and zero rework for six consecutive months. During his sharing session, Master Liu said sincerely, "Every blade I grind every day, I treat as if it were going to be used in our own factory. Only when I am confident in it can our customers be confident." His speech drew warm applause from the audience. In addition, the alloy blade production line team was awarded the title of "Quality Benchmark Team" for achieving a first‑pass yield of 99.8%.   Collective Action: Making Every Day a "Quality Day"   "Quality Month" is not just a temporary campaign but a new starting point. The company's production head said that the core goal of Quality Month is to embed quality awareness deeply into everyone's mind and heart through concentrated reinforcement, ultimately forming a culture of quality consciousness across all employees, all processes, and all times. Going forward, the company will consolidate the best practices and improvement measures developed during Quality Month into standardized operating procedures, so that every day becomes a "Quality Day." The general manager also emphasized that quality has no end—only continuous improvement. Mingbai will adhere to stricter standards and more refined processes to create blade products that customers can truly trust. Website: www.mingbaiblade.com
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  • Mingbai Machinery Tool Introduces Ultra‑Precision CNC Tool Grinder, Elevating High‑End Blade Manufacturing to New Heights
    June 24,2026
    Mingbai Machinery Tool Introduces Ultra‑Precision CNC Tool Grinder, Elevating High‑End Blade Manufacturing to New Heights
    Recently, Mingbai Machinery Tool Technology Co., Ltd. reached a significant milestone in production equipment upgrading. An ultra‑precision 5‑axis CNC tool grinder with nanometer‑level machining capability has completed installation and commissioning and has officially entered production. The introduction of this equipment elevates the company's key process machining accuracy from the micron level to the nanometer scale, marking a major step forward in Mingbai's manufacturing capabilities for high‑end slitter shear blades, alloy blades, stainless steel blades, and precision circular knives, placing it among the industry's leading players.     Accuracy Leap: From Microns to Nanometers   In the manufacturing of industrial blades, grinding precision directly determines cutting edge quality, slitting performance, and service life. The newly introduced ultra‑precision grinder features nanometer‑resolution linear encoders and dynamic compensation technology, achieving nanometer‑level control on all motion axes. Combined with a motor temperature control system that effectively suppresses thermal deformation, the machine consistently maintains critical dimensional tolerances within ±1μm and achieves a cutting edge surface roughness of Ra < 0.1μm – an order of magnitude improvement over the previous equipment. This level of precision provides a solid foundation for Mingbai to produce high‑difficulty products such as ultra‑thin circular knives and complex‑profile slitter shear blades.   Efficiency Multiplied: Multiple Processes in One Setup   The new equipment excels not only in precision but also in efficiency. Its one‑setup multi‑process integration technology allows rough grinding, finish grinding, chamfering, edge preparation, and other operations to be completed in a single clamping, eliminating cumulative errors and auxiliary time waste associated with multiple clampings in traditional processes. According to estimates, for complex custom‑made blades, the machining time per piece can be reduced by more than 35%, while manual intervention is significantly decreased, resulting in substantially improved product consistency and stability.   Software Empowerment: Intelligent Grinding with Precision Control   The machine's intelligent grinding software system provides powerful digital tools for process optimization. Technicians can simulate grinding paths in 3D in advance to predict machining risks. The built‑in online measurement and closed‑loop compensation function allows real‑time dimensional inspection during processing and automatic compensation for wheel wear, ensuring high dimensional consistency across batches. The software also supports digital archiving and rapid recall of process parameters, enabling Mingbai to achieve quick changeovers and flexible production when faced with customized orders involving multiple varieties and small batches.   Quality Upgrade: Every Blade Stands Up to Inspection   After the new grinder went into operation, Mingbai's technical team completed debugging and optimization of process parameters for more than 20 core products in the first batch. The high‑precision circular knives and alloy slitter shear blades delivered to customers in the first batch showed significantly superior accuracy across all measured indicators compared to previous levels. A technical manager from a long‑term partner customer commented after receiving the first batch, "The cutting edge quality of these blades has visibly improved, and the surface finish of the slit products has reached a higher level. We are very satisfied."   Continuous Investment, Advancing Toward High‑End Manufacturing   The company's general manager said, "Precision is the lifeblood of blades. The introduction of this ultra‑precision grinder is a critical step for Mingbai toward high‑end manufacturing. In the future, Mingbai will continue to increase investment in core equipment and technology R&D, using more precise machinery and more advanced processes to provide customers with higher‑quality blade products." The company's technical director also revealed that the next step will focus on specialized skills training for the new equipment to ensure every operator can fully leverage its potential, while integrating digital management systems to further drive the grinding process toward intelligent upgrade. Website: www.mingbaiblade.com
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  • Mingbai Machinery Tool Introduces High‑Precision Inspection Equipment, Upgrading Full‑Process Quality Control
    June 18,2026
    Mingbai Machinery Tool Introduces High‑Precision Inspection Equipment, Upgrading Full‑Process Quality Control
    Recently, the quality inspection center of Mingbai Machinery Tool Technology Co., Ltd. completed a comprehensive upgrade. A batch of high‑precision inspection equipment representing the industry's advanced level has been installed, commissioned, and officially put into use. The newly introduced equipment includes a direct‑reading spectrometer, a high‑precision optical measuring instrument, a metallurgical microscope, a Rockwell hardness tester, and a blade sharpness and durability tester. This marks a significant step forward in the company's full‑process quality control capabilities – from raw material inspection to in‑process control and final product inspection – providing a more solid technical foundation for the high‑quality delivery of slitter shear blades, alloy blades, stainless steel blades, and various custom‑made blades.     From "Experience‑Based Judgment" to "Data‑Driven Decision"   Previously, the company relied mainly on supplier material reports and manual experience for incoming raw material inspection, lacking independent precision testing capabilities. The newly introduced direct‑reading spectrometer can accurately analyze the chemical composition of metal materials within seconds, controlling composition errors within 0.1%, thoroughly eliminating the risk of performance fluctuations caused by material deviations. The company's quality control manager said, "Now every batch of raw materials that enters our facility can be verified against standards with data at the earliest stage, ensuring quality from the very beginning."   In‑Process Control: Making Every Step "Visible"   For in‑process control, the new high‑precision optical measuring instrument enables non‑contact high‑precision measurement of critical blade dimensions, achieving micron‑level accuracy. The metallurgical microscope is used to observe and analyze the microstructure of blades after heat treatment, ensuring grain size and carbide distribution meet process requirements. The deployment of these instruments allows Mingbai to conduct real‑time inspections and timely adjustments after key processes such as grinding and heat treatment, eliminating potential quality issues at an early stage.   Final Inspection: Delivering Quality with Data   In the final inspection stage, the Rockwell hardness tester precisely measures the cutting edge hardness of each blade, ensuring that every shipped slitter shear blade, alloy blade, and stainless steel blade meets hardness specifications. The blade sharpness and durability tester evaluates the sharpness and edge retention of circular knives by simulating actual working conditions. All inspection data is automatically archived and delivered with the products, truly achieving "quality backed by data" and giving customers peace of mind.   Customer Response: Greater Quality Assurance   Since the new inspection equipment was put into use, Mingbai has conducted comprehensive re‑inspections on multiple batches of finished products, with significantly improved efficiency and accuracy. A quality manager from a long‑term partner customer, after visiting the new quality inspection center, commented, "Mingbai's investment in inspection capabilities gives us greater confidence in product quality. Every blade has a complete data traceability chain, which also helps us strengthen our own quality system."   Continuous Investment, Building a Solid Quality Foundation   The company's general manager said, "Quality is the foundation of Mingbai's existence. This comprehensive upgrade of our inspection equipment is an important step in the company's 'quality first' strategy. In the future, Mingbai will continue to increase investment in inspection and R&D capabilities, using more precise data and stricter standards to provide customers with even more reliable products." The quality control manager also emphasized that with the full operation of the new equipment, Mingbai will further improve its quality management system and steadily advance toward the goal of "zero defects." Website: www.mingbaiblade.com
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