English
Ma'anshan Guangchuan Machinery Knife Mold Technology Co., Ltd. is a professional manufacturer of high-precision three-knife trimmer blades built for post-press bookbinding and high-volume paper finishing lines. Our three-side cutting knives trim the head, tail and fore-edge of book blocks and stacked sheets in a single stroke, delivering uniformly square corners and burr-free edges. Manufactured from premium high-speed steels with vacuum heat treatment and precision CNC grinding, these blades retain sharpness through extended production runs, reducing sharpening downtime and elevating finished product quality.
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