Corrugated cardboard is made by bonding paper, backing paper, core paper and corrugated paper processed into corrugated corrugated.

The molecular arrangement of the glass is random and its molecules are statistically uniform in space.

Generally speaking, the paper we call it, in a broad sense, contains the terms paper and cardboard.

The development of CNC cutting machines must adapt to the requirements of the development of modern machinery processing industry.

The cotton fabric is made of cotton as a raw material, and is woven by a looms, which are intertwined by the warp and weft yarns.

The types of car stickers are mainly divided into three categories according to the production process