Paper cans, also known as cylinder, cylinder, drum and other, based on the printing process different points for thermal printing (hot), stickers, flexographic printing, screen printing, embossing, hot silver, UV printing according to different web technology is divided into: flat coil and helical coil. According to the different of the cover is divided into: paper cover, stretch cover, Maguchi Tetsu, easy to tear aluminum cover, etc.. Paper pot of inner diameter has many kinds, the national standard diameter is (mm): 63, 65, 73, 83, 89, 92, 94, 99, the other inner diameter can also do, but are not national standards. Paper is mainly composed of printing coated paper and kraft paper roll
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