The four open format printing machine market is supply number numerous, market competition is fierce. Domestically, at present domestic manufacturers in quarto format printing machine R & D, production, sales and other links have different degrees of improvement, compared to large format and for printing machine is concerned, in quarto format printing machine, they have more right to speak, but compared with the imported machines, in technology and certain gap. At present, domestic manufacturers Jiangxi Zhongjing, Shanghai Guanghua, beiren group, the second printing machinery factory, Liaoning Han's gronhi, Mitsubishi beiren.