First-class product: the number of heads is 20, within 20 heads per 500 grams, and the length is not more than 6 cm.

Second-class products: the number of heads is 30, within 30 heads per 500 grams, and the length is not more than 6 cm.

Third-class products: the number of heads is 40, within 40 heads per 500 grams, and the length is not more than 5 cm.

Fourth-class product: the number of heads is 60, within 60 heads per 500 grams, and the length is not more than 4 cm.

Fifth-class products: the number of heads is 80, within 80 heads per 500 grams, and the length is not more than 3 cm.

First-class goods

1, dry goods, 20 heads, solid quality, weight, conical or quasi-cylindrical, bitter and slightly sweet.

2. The surface is grayish yellow or yellowish brown, and the cross section is grayish brown or grayish green, within 20 heads per 500g.

3, the length is not more than 6 cm, no impurities, no moth, no mildew.

Second-class goods

1, dry goods, with a head count of 30, are solid, with a conical or cylindrical shape, and taste bitter and slightly sweet.

2. The surface is grayish yellow or yellowish brown, and the cross section is grayish brown or grayish green, within 30 heads per 500g.

3, the length is not more than 6 cm, no impurities, no moth, no mildew.

Third-class goods

1, dry goods, with a head count of 40, are solid, with a conical or cylindrical shape, and taste bitter and slightly sweet.

2. The surface is grayish yellow or yellowish brown, and the cross section is grayish brown or grayish green, within 40 heads per 500g.

3, the length is not more than 5 cm, no impurities, no moth, no mildew.

Fourth, fourth-class goods

1, dry goods, the head count is 60, the quality is solid, the weight is conical or quasi-cylindrical, and the taste is bitter and slightly sweet.

2. The surface is grayish yellow or yellowish brown, and the cross section is grayish brown or grayish green, within 60 heads per 500g.

3, the length is not more than 4 cm, no impurities, no moth, no mildew.

Fifth, fifth-class goods

1, dry goods, with a head count of 80, are solid, with a conical or quasi-cylindrical shape, and taste bitter and slightly sweet.

2. The surface is grayish yellow or yellowish brown, and the cross section is grayish brown or grayish green, within 80 heads per 500g.

3, the length is not more than 3 cm, no impurities, no moth, no mildew.