... the host work. The operation is reliable and stable.c) This machine blade adopt tungsten steel material. it has ... the corrugated board edge is smooth, beautiful, no cracking.c) This machine has stepless speed regulation system,different skilled workers ... shaft surface has hard chrome plating, to ensure durableC.Technical parameters: ModelCN451-2000CN451-2500Max width of paper1900mm2400mmMin wide size ...