Gray cardboard is a kind of gray cardboard with high tightness.Its paper fiber is better,not only lo..
Gray cardboard is produced from a recycled waste paper.The product is divided into single gray cardb..
Judging the pros and cons of a product,we can judge from many aspects,its details,and its appearance..
According to the characteristics of gray board paper,product brand and packaging requirements,the qu..
Among the many commonly used types of cardboard,double-gray cardboard is a very common one.I believe..
Double-gray paperboard is an environmentally-friendly product that is processed by a series of moder..
The airtightness and strength of the double-gray paperboard produced by the double-gray paperboard m..
With the increasing environmental problems,the protection of the environment from all walks of life ..