In recent years, paper packaging containers have been welcomed by consumers because of their advantages such as low cost, resource saving, good mechanical processing performance, large-scale mechanized production, easy printing, harmless and non-toxic in use, and easy recycling. Moreover, because th
09
2022-03
International working women’s day, fully known as “UN women’s rights and international peace day”, also known as “March 8” women’s day in China, is a festival established by the United Nations on March 8, 1975 to celebrate the important contributions and great achievements made by women in the econo
31
2021-12
New year's day, that is, January 1 of the Gregorian calendar, is commonly known as the "new year" in most countries in the world. Yuan is called "beginning", and the beginning of every number is called "Yuan"; Dan is called "day"; "New Year's Day" means "initial day"."New Year's Day" usually refers