flexo printing machine used for printing roll to roll materials. Such as paper bags, plastic bags, non woven bags, woven sacks and PE films. It’s including stack type flexo printing machine and CI flexo printing machine. CI is short for central impression. Due to high register accuracy, CI flexo printing machine is good for printing papers and films. Many offset machines slowly replaced by CI flexo printing machine. And rotogravure machine also slowly replaced by CI flexo machine due to inksĀ Pollution.