... PRODUCTION LINE 2.mill roll stand,preheater,single facer ,transport conveyer, gluing machine ,double facer, CORRUGATED BOARD PRODUCTION ... cardboard. Including mill roll stand,preheater,single facer ,transport conveyer, gluing machine ,double facer machine ,slitter scorer ,stacker and heating ... with high strength.3.It adopts imported precision machine tool, advanced form grinding. The precision size ...