Corrugated boxes, also known as corrugated cartons, cardboard boxes, bigger also called corrugated boxes, corrugated cartons, cardboard boxes of foreign trade carton, the carton is sometimes referred to is the use of corrugated prepared or paste into the box, used as packaging materials for transport. In 1879, Robert Gail will be converted printing paper machine for cutting crumpled cardboard and corrugated, folding carton invention. Model flute profile: there are K, A, B, C, D, E, F, G sales of foreign trade carton, commonly used to be A, B, C, E, F course, are the UV wavy, C corrugated, North America. much more useful. Each flute has a compression ratio coefficient (flute corrugated paper due to back pressure caused by shortening the length direction of the paper, which becomes shorter ratio compression ratio coefficient), in particular: A flute, 1.59 / B flute, 1.36 / C flute , 1.50 / E flute, 1.27 corrugated single fight, and the fight that is divided into single Larry Page Foreign molding box made of cardboard boxes, cartons are generally used for smaller circumference in the manufacturing process;. Larry also called two page box, and some cartons perimeter too, had to use two blanks put together a cardboard box, but sometimes carton plant in order to cut down the use of the production process more than expected, will use two put together a size is not too large cartons, sometimes even with four. Second page boxes compared with the page box, more than one joint, so both of area calculation there are some subtle differences. Manufacturing size fittings and joints yarn carton corrugated layers and production processes based on determining the level of a single corrugated board is 35 ~ 40mm Supply of foreign cartons, corrugated paperboard is 45 ~ 50mm, three corrugated board is 50mm. Cartons must be considered when calculating the developed area of ??the yarn manufacturing process losses, the size of the yarn is determined based on the number of layers of cardboard, usually 20 ~ 40mm. In order to facilitate the calculation of the actual work, unity take "8" plus "4" rule, the sum of the joints and back yarn upcoming lateral direction as 8cm, the longitudinal direction of the yarn aggregate as 4cm. Supply of foreign carton packaging _ Jason (certified) _ Foreign cartons provided by the Dongguan City Packing Co., Jason. Jason Dongguan City Packing Co. (www.jsbz0769.cn) is Dongguan, jams leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Jason package in leadership with the staff warmly welcome all inquiries negotiations to create a better future for Jason package.