1. CORRUGATED BOARD PRODUCTION LINE 2.mill roll stand,preheater,single facer ,transport conveyer, gluing machine ,double facer, CORRUGATED ... equipment for making corrugated cardboard. Including mill roll stand,preheater,single facer ,transport conveyer, gluing machine ,double facer machine , ... are high quality chromium and molybdenum and alloy steel.2. The type of the corrugation is UV type, ...