There are several standard sizes of honorary certificates, and the specifications are as follows:

1, cover: 32, width 130 mm, height180mm;

2. Cover: 32 cubits long, 120 mm wide and190mm high;

3. Cover: 20, width 152 mm, height 220mm；; ;

4. Cover: 16, 180 mm wide and 250mm；; High;

5. Cover: 16 wide, 2 15 mm wide and 308mm； wide; High;

6. Cover: small square with width 195 mm and height of 205mm；; ;

7. Cover: a big square with a width of 225 mm and a height of 235 mm.

Technology:

At present, there are many kinds of honorary certificates on the market: mainly heat sealing, splicing and pasting. The cover is mainly bronzing, silver stamping and indentation.

The technical certificate of heat sealing and stitching generally uses plastic film as sleeve or inclined plane to clamp the inner core, and also uses light belt as inclined plane. Generally, the technical certificate is pasted with light tape as an inclined plane, and also with transparent film as an interlayer, and the inner core is inserted (the inner core needs to be customized).

Materials are leather and flannel, as well as glue (paper peritoneum). With the development of science and technology, materials and technology are changing with each passing day.