午夜日韩av_人妻少妇无码精品专区_国产精品人成视频免_99久久精品国产一区二区三区_任你干视频精品播放_成人午夜在线免费观看_欧美视频一区二区三区_日本a在线播放_又黄又爽又猛的视频免费_精品久久久一区

Shanying chooses the user of safer, non-irritating water-based inks and satellite pre-printing technology to better express the product design under the premise of safeguarding the food safety of customers' product packaging. Meanwhile, by virtue of the spraying of 2D code, bar code and other processes in subsequent steps, it has realized the packaging traceability and protected food safety.