... Blanking→→Forging Steel→→Rough Progressing→→Heat Treatment→→Finishing→→Testing Knives are available with ground, lapped or polished side ... in manufacturing all kinds of cutting tools, including slitting knives ,shearing blades,wear-resistant furnace sliders,cutting blades, ... inch)These are all prerequisites for the best possible slitting results.High cost performance, ISO9001:2000, Punctual delivery ...