When checking a batch of corrugated box processing plants, they can be inspected through visual inspection first, but they must be checked in a certain order.
1、Check whether cartons are tied or bumping, whether it rains or dampness；
2、Choose a carton from the sampling and distribution center to check printing quality, cut shape, crease status and cardboard appearance；
3、Open the carton to check slotting, joint size, cover plate and wing quality；
4、Cut into 80 * 30MM thick cardboard, check material and shape；
5、Check up and down overlap quality and carton size；
6、Adhesive (nail, tape) quality.
Corrugated carton processing plant

Unqualified cartons should be recorded and tested further in the laboratory to verify specifications. For example, a rough examination of M2 (g) indicates that the thickness of corrugated paper or cardboard can be measured due to the thickness and quantity of paper. Precision test should be carried out under constant temperature and humidity conditions. In technical specifications, physical and chemical properties of plates, such as blasting strength and compressive strength, shall be tested in accordance with the prescribed method. These experiments can be carried out in the user's laboratory. If the users do not have the test means, they can also be assigned to the specialized test equipment for testing.
Shenzhen Guang Tong Canton is a comprehensive packaging paper and printed solid factory, the main products are: corrugated board, carton, beer box, card card, beer card, two complete production lines, Nissan cartons about 3 ~ 5 million, can meet the packaging demand for products customers.