欧美香蕉在线观看_国产迷奸在线播放_亚洲精品在线观看欧美激情_欧美黑人国产国产综合一区_国产亚洲欧美日韩久久图片

This week,we will send a stretch film machine with on-line printing to Saudi Arabia,together this machine is plastic recycler machine and PET film coating machine.Thanks all client for the trust and affirmation to our products.in fact,we had saled Many hi

The surface treatment of plastic products mainly includes coating treatment and coating treatment. Generally, the crystallinity of plastics is large, the polarity is small or non-polar, and the surface energy is low, which will affect the adhesion of coat