Blacksmiths use traditional techniques to forge chopping knives with laminated steel. The process is as follows: First, select appropriate steel materials and stack and bind steel billets of different materials such as high-carbon steel and low-carbon steel, and then heat them to a high temperature until they become soft. Blacksmiths use hammers and other tools to repeatedly forge them so that different steel materials are fully fused and extended to form a laminated steel structure. During the forging process, it is necessary to constantly adjust the heat, the strength and angle of hammering, etc., to ensure that the texture of the steel is uniform and the structure is compact. After that, heat treatment such as quenching and tempering is carried out to further improve the hardness and toughness of the knives. Finally, grinding, edge sharpening and other processes are carried out to make the laminated steel chopping knives.

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