It is well known that the most important function of a mask bag is to block water and keep moisture, and the moisture resistance of its...

Wanshun New Materials (stock code: 300057) Group was established in 1998 and listed on the Shenzhen Stock Exchange in 2010. There are 15...

The annual packaging costs of products bought and sold worldwide are billions of dollars. It is estimated that 10% of all retail product...