Ma'anshan Guangchuan Machinery Tool & Die Technology Co., Ltd. specializes in manufacturing high-quality annular circular slitting knives and paper core cutter machine blades. These industrial ring slitting cutter tools are characterized by their large inner diameter, designed for specialized rotary cutting applications, particularly the high-speed and clean cutting of paper cores (paper tubes), thin films, and foils. Crafted from premium high-speed steel (HSS) or D2 tool steel and subjected to meticulous precision grinding, our custom large hole rotary blades ensure superior sharpness, extended operating life, and minimal dust or burr during the cutting process.
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