Hello, How are you? Our company produce premium quality industrial blades and machinery knives. Blades' applications: roller shearing machine,slitting machine, plastic crusher,extruder and pelletizer, paper cutting machine,rubber cutting machine,transverse cutting machine,steel plate shearer,garden shear etc. Most suitable material, heat treatment and high precision machining are provided for good quality. You could contact us at any time. Best regards, Jennifer Lu Jinghai Machinery