... /1360 high-speed printing scoll and plate making machine2.Through many yearsR&D,The machine was finished successfully in march,2007 ... it is much easier and faster than by hands.the machine engraves hollow plate directly by professional software.(3)Save cost: the ... and precise hollow engraving on engraving plate machine on any paper such as wasted newspaper,color paper,body paper ect.,the min letter is 2 ...