COLORMAN web printing machine is a printing machine that uses web as the printing material. The main model is a web printing machine using offset printing method.

the main difference between the two types of rotary machines: the printing paper is different; the newspaper rotary machine mainly prints newsprint. Commercial rotary printing machines mainly print high-grade periodicals, magazines, picture albums and commercial advertising products, using all kinds of high-grade coated paper, offset paper, light weight coated paper, etc. The printing process and equipment structure are different: the newspaper rotary machine uses cold-set ink, and there is no need to connect the drying and cooling system. The commercial rotary machine uses thermosetting ink, and an on-line drying system and a cooling system must be installed in the printing process.