1, Shanxi's "eldest son pig's head meat" ranks first in the country, and pigs are raised on the mountains. Because of its ruddy meat, it tastes fat but not greasy, and the slices are as thin as paper.

2. The firstborn pig eats all the medicinal materials in the mountains and the rich feed artificially fed, which leads to the saying that "the firstborn pig's head meat tends to be natural, as thin as cicada's wings, bright but not greasy, and fragrant and cool", and its sales volume is very high in the whole country, ranking first.