골판지가 어떻게 만들어졌는지 아세요?
In 1884, Swedish chemist, Carl F. Dahl, developed a process for pulping wood chips into a strong paper that resists tearing, splitting, and bursting. He named it the Kraft process because it produces a strong paper that resists tearing, splitting, and bursting. Corrugated board production line mainly includes the following machines:corrugated single side unit,double sided […]