Anyang City, North Gate area people dry goods store was established in July 2012, mainly engaged in dry food, wholesale and retail. With the improvement of quality of life, dry goods industry will grow even more. When consumers buy dry smell first and then color vision, such as dry goods containing an excess of sulfur dioxide, has an sour smell of sulfur, and the more content, the more severe the smell of sulfur; by sulfur smoked dry color different from Often color, such as smoked white fungus appearance and color, the true nature of fungus should be yellowish white, good-looking as good as smoked, smoked color yellow lilies and yellow two-color unevenly distributed, not smoked Lily was dry golden yellow or brown, uniform color.