Packaging boxes are boxes used to package products, which can be classified according to materials, such as: wooden boxes, paper boxes, cloth boxes, leather boxes, iron boxes, acrylic boxes, corrugated boxes, etc. They can also be classified according to product titles, such as: gift boxes, wine boxes, chocolate boxes, pen boxes, food packaging boxes, tea packaging boxes, etc. Now it has evolved into a mixture of wood, paper and other materials produced together. The function of packaging box: to ensure the safety of the product in delivery, to enhance the product grade, etc. The main materials: Dutch board, gray board, density board, acrylic, metal, corrugated, etc.. Generally used as a mid-range packaging method, between the inner packaging and outer box packaging. Packaging box color box, generally by a number of color allocation, to give people a strong visual senses, so that buyers and users have a little understanding of the product’s overall appearance and color and other details. It is especially suitable for products that cannot be unpacked before purchase. Now has been widely used in electronics, food, beverage, wine, tea, cigarettes, medicine, health care products, cosmetics, small household appliances, clothing, toys, sporting goods and other occupations and product packaging supporting and other occupations, is a not shortage of occupations. Divided into two categories: surface paper, pit paper. General packaging box top paper commonly used are: gray copper, white copper, single copper, rich card, gold card, platinum card, silver card, laser card, etc. “White background white board” refers to: white copper and single copper. The common point of white copper and single copper is that both sides of the front and back are white. The difference is that “white copper”: one side is lubricated and the other side is not lubricated. The superficial point is that the front side can be printed, not and can not be printed. “Single copper”: front and back both sides have coated surface, front and back can be printed. Gray background gray board has this paper, but it is not used for packaging boxes, gray background white board, it is the so-called “gray copper paper” that the front is white, can be printed, and is not gray, not able to print. General white card is also known as “white background white board” paper, but the general offer when the abbreviation (in addition to special white card, for example: white gold card, white silver card), etc.. Packaging material ①Powder board paper: one side white and one side gray, the price is low; double powder paper: both sides are white, the price is high. ②Decide the material of color box according to the shape and size of the product. Commonly used materials are: 280g powder gray paper, 300g powder gray paper, 350g powder gray paper, 250g powder gray laminated E pit, 250g double powder paper laminated E pit, etc. ③Wooden box, paper box.