欧洲美熟女乱又伦免费视频-精品国产v无码大片在线观看-日韩人妻无码精品久久免费-亚洲成AV人片在线观看福利-亚洲日韩VA无码中文字幕

Film blowing machine is heated to melt the plastic particles and then blown film

The film blowing machine is heated to melt the plastic particles and then blown film.
Film blowing machine a variety of points, PE, POF, and so on.
Blow with the new particle is a new material, color, both said, clean, bag stretch.
It was also made ??from recycled plastic bags made ??of particles, the particles are generally known as the old material, usually made ??of particles is gray, and usually want to add a pigment made ??bags, made ??of a bag coloring uneven, brittle and easily broken , the price is lower.
Although the recycling of plastic bags, but generally are in the bag making process waste bags and plastic garbage in the usual sense there are still a lot of difference.
Copyright ? Ruian DeBang Machine Co.,Ltd.
欧洲美熟女乱又伦免费视频-精品国产v无码大片在线观看-日韩人妻无码精品久久免费-亚洲成AV人片在线观看福利-亚洲日韩VA无码中文字幕