1. Blossom. The ones with large and even flowers, less curly ear flaps, light physique, and great swelling after water absorption are the top grade. The ones with medium flower shape, slightly curly ear flaps, slightly heavy texture, and general swelling after water absorption belong to the middle grade. If the flower shape is small and broken, the ear flaps are curly, thick or stiff, and heavy in quality, they belong to the lower grade. 2. Color. Each flower surface is superior if it is dark and shiny, and the back of the flower is slightly grayish white. The flower surface is dark, and the one without gloss is medium. The flower surface is inferior if it is gray or brown. 3、...
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