... 180-450 m/min. 4. The large circle cutter of imported long saw for roll toilet paper, ... USA, has researched and produced the large circle cutter. It has high wear-resistance and anti-rust ... stripby the company), the throwing knife,the machine pipe cutter, the cutting knife of roll paper (due to ... towel. 7. The company issues a single and double-sided carbide knife ring recently. After matching with ...