... , slitting, creasing,trimming,grooving. box making machinery321 series high speedprinting die-cutting (slotter) General features: It can complete one-color ... to five-color printing, slitting, creasing,trimming,grooving.Angle cutting.die-cutting, and punching on corrugated board at one process, ... improvement without notice carton box making machine 321 series high speed printing die-cutting (slotter)