From the pulp of logs into clastic burin to manufactured goods cut up into a set size of slitting knife, cutting knife, etc., in the manufacturing process of paper and pulp related goods, an indispensable tool. Its quality is very important, it directly affects the quality of the products and the value of the goods. In addition, one is due to the original material become diverse, hard cutting. Also a is due to the users to improve the production capacity and economic benefit is high, they in machinery high-speed machinery, in order to improve the operation rate and the cutting section is more uniform, the success of adapted to all kinds of raw materials and products for various steel grades, plus for proper heat treatment, make cutting tools sharp and abrasion resistance further guaranteed. Carton blade repair various types of edge of paper cutter, triple and quadruple slotted knife, as well as for production line of thin blade, thin blade "Hengli Brown" brand points cut out of cardboard edge is smooth, clean, no flattening phenomenon, improve the overall quality and the appearance of the cardboard. To bring about a fundamental improvement, selection of post printing quality: T8A, T10A, 9CrSi, Cr12MoV, W6Mo5Cr4V2 etc.. And developed a variety of thin knife special grinding wheel: diamond, cubic boron nitride grinding wheel, high hardness, good wear resistance, durable.