少妇特黄A一区二区三区,成人精品视频,亚洲男人天堂网,亚洲AV无码一区二区三区少妇

  • <ins id="e6a6g"></ins>
    <code id="e6a6g"></code>
  • <wbr id="e6a6g"><noscript id="e6a6g"></noscript></wbr><kbd id="e6a6g"><button id="e6a6g"></button></kbd><p id="e6a6g"></p>
  • <wbr id="e6a6g"></wbr>
    <code id="e6a6g"></code><p id="e6a6g"><noscript id="e6a6g"></noscript></p>

    1. Current location:Home  / News  / Company news / What is the etching gravure of the gravure press technology?

      What is the etching gravure of the gravure press technology?

      date:[2018-05-15]     pk_hits:

      The etching gravure of gravure press is. As with the base or zinc plate. Plate making, in the plate material coated with wax for anti-corrosion treatment, with the steel needle according to the original to scrape the parts of the wax layer, so that the layout of bare, after corrosion, finishing, that is a printing plate. Can also be spread in the layout of acid resistant resin or asphalt fine powder, plus micro heat, so that the powder adhesion to the layout, according to the original sub - section, scanning, scraping, etching. Etching gravure can also be used instead of engraved intaglio plate.

      This is the gravure etching technique for gravure press technology.


      Popular products

      News Recommendation

      If you have any product questions or suggestions, or you want to know, you can contact us at any time.

      Contact us

      • Building 2, Jingye Road, Sanqiao, Dongshan Economic Development Zone, Ruian City, Zhejiang Province
      • 13396778787 15355956668
      • 0577-65167588
      • 0577-65161388
      • rg@rgyj.net

      message