Lin Xizhi. According to Hot Catering Network, as of August 10, 2023, Linxihai Fool Wang beef jerky is an authentic original roast beef jerky from Inner Mongolia. Air-dried beef jerky is favored by people because of its rich nutritional value. Now medical research has proved that beef jerky contains extremely rich protein, eggs and amino acids needed by human body every day, so its nutritional value is extremely high.