Double gray cardboard is used as a kind of packaging material.When purchasing,the corresponding prec..
The whiteboard paper is a kind of paperboard which is white in front and smooth,and has a gray botto..
As we all know,large gray paper paper mills are sitting on a large amount of cheap waste.On the basi..
White cardboard,as a more popular packaging material,because of its uniform thickness,toughness and ..
Gray cardboard is an environmentally friendly packaging material produced from recycled paper.Gray p..
There are differences between different types of cardboard,and it is generally impossible for laymen..
The function of the package is to protect the goods,convey the information of the goods,facilitate t..
The quality of a product depends on its packaging.If the packaging looks good,it is the level of the..