When the bag printing should be noted that the problem is from the beginning of string color printing paper invention has been gradually developed a technique bag, good people need to show it text, images, etc. in the paper. However, when printing we also pay attention to some issues and details. Here we talk about the problem of the color string. We focused on cross-color color printing bag is printed, we will carry out the process of printing color several times, for these cases, the middle there will be large and small problems. Cross color is often seen. In the second the ink is sometimes too soft printing ink film phenomenon, which is a precursor to cross color when printing after again, there will be completely through the bite from a Mexican film, which is miscible To post a color ink film. In response to this phenomenon, we went to measure the dilution solvent, in front of a mixed bag printing solvent inks debugging reconstitution (complex soluble) effect, in order to determine the ratio of the amount of dilution solvent. Tote bag printing method for determining the quality of the quality of judgment bag printed with both attribute industrial commodities, but also has the characteristics of works of art, according to the species, different quality requirements are also different purposes. Depending on the type and requirements of fine products and general products can be divided into two kinds of custom handbags, so the different products pvc bag, printing quality standards are also different. Handbag print quality criteria include: quality (1) bag printing fine product standards ① overlay accuracy, the error should not exceed 0.1mm② outlets plump, smooth and uniform ink ③ full, rich layers, texture strong, ground level service ④ smooth lines of text, sharp edges, full ⑤ sheet wrinkles, non-greasy, non-paste version, no stains (2) the main part of the general quality of the printed product standards ① bag handbag bag printing standard picture sleeve ② outlets clear, complete ③ dots uniform, field level service ④ text lines clear, complete, smooth, no broken pen ⑤ sheet wrinkles, no ink, no stains bag printing, printing Rong Yi, Foshan, Dongguan Wing bag provided by the Arts and Printing Limited. Dongguan Wing Arts Printing Co. (www.ylys1288.com) is Dongguan, a leader in adhesive products, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Wing art printing leadership with the staff warmly welcome all inquiries negotiations to create art printing wing a better future.