Printing proofing refers to delegate accepts demand printing customers (product specifications, model, color), etc., make one or more samples to customers to confirm correction. Signed a production contract, to begin production, prepress work is preliminary. Color proofing is to simulate a printed color separations will look like prints. This simulation must be accurate demonstration of the final print of the visual effects, and not necessarily correspond precisely to the film internet point. It should indicate network printing will have increased. Proofing accuracy must be guaranteed, if proofing method used is stable and controllable, able to play accurate proofs. There are many proofing purposes. First, with the proof of the separation process after challenges, provide the film separations without proof test can not immediately say "qualified." Making halftone film of the stage, in essence, a color approximation process is complete, the production of color separations at least be able to print imaging proofing that effect. At this stage we can use less accurate proofing, product box printing, such as dye sublimation pre-proofing proofing methods. Digital proofing technology is one of the hottest technologies in the prepress area in recent years. The so-called digital proofing, color desktop system is to make the page (or sheets) data, without any form of analog means, directly after a color printer (inkjet, laser or otherwise) output proofs, Tangxia box printing to check quality prepress image page, in order to provide a reference sample of the printing process and can provide a basis for users to sign in press. This digital proofing technology, not simply looking for printed output color proofs, but through complex color management software, the output of proofs can reproduce ancillary printing proofs, including a wide range of matching paper, ink and printability, etc. and similar. UV coating technology application paper packaging materials after the UV polishing process, can improve their appearance, so that the printing quality thick plump, shiny plump moist, improve effectiveness and decorating paper products, and significantly improve the folding endurance and chemical resistance , to improve its performance, packaging box printing, reducing product transportation, storage process losses. For high moisture products (such as appliances, etc.), its paper packaging materials through UV coating process can be improved moisture resistance of the package. UV coating developed rapidly in recent years in the packaging printing industry, the proportion is gradually increased, but at the same time there are still many problems to be solved. The first is security. Currently reactive diluent in UV coatings used have a certain volatility or irritant to the environment is still polluted. Currently being developed water-based UV varnish, is who or thickeners alternative reactive diluent, so as to solve the problem of volatile and irritating, is an ideal environmentally friendly products. Followed by the odor problem. It is now gradually to a low odor direction. UV coating packaging products currently not yet received Food and Drug Habitat International fully recognized, not in direct contact with food. Therefore, the need to improve working conditions and environment, improve the drying effect, be completely cured, thus reducing odor. Once again, the adhesion problem oxidative polymerization type ink. Not only smell, color box printing, gloss and low, and adhesion gum difficulties. Now we tend to use double glazing to improve UV coating quality, but also increased cost. Therefore, to be improved UV varnish and ink adaptability. Finally, lower cost, although the costs have dropped a lot, and BOPP composite film composite cheaper compared to the cost. However, at home, UV coatings on many types, performance is not the same. So large difference in price. Overall, the cost is too high, the need to further reduce the cost of varnish, coating equipment costs and operating costs. Plastic Folding printing | beyond printing (online consultation) | Shek Pai box printing by the Dongguan City, often beyond packaging products factory provided. Dongguan Chang-ping beyond packaging products plant (www.dgcyp.com) Dongguan, Guangdong, printing paper leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In all walks of life beyond the printing leadership with the staff warmly welcomed the inquiry negotiations to create a better future beyond printing.