For tablet manufacturers, their products are no longer single round tablets, but diversified requirements 1.From the shape, there are a variety of requirements, such as ring, square, trapezoid, oval, triangle, sphere, petal shape, deep concave, shallow concave, etc.2. From the color, there are monochrome film, two-color film, etc. 3.It can be divided into those with or without characters, such as those with Chinese characters, those with letters, and those with graphics.4. From the shape and siz