Factory of cardboard packing. The paper moves in the machine, cardboard will be made from it. Factory of cardboard packing. The paper spins automatically, boxes are made from it, a line for the production of cardboard packaging. Cardboard is made from paper rolls by heating the paper. Automatic line for the production of cardboard at a packaging plant. Automated process for the production of cardboard packaging, conveyor. High quality 4k footage High quality 4k footage