In 1913, a technician named Aijinbins made European sausage, dry sausage, tea sausage and many other varieties of sausage, spreading intestinal manufacturing technology to China. Red sausages are cooked by wood and are indeed mouthwatering. It is a convenient snack to bring on trips, and the leading brands are Harbin Roulian, Churin Leads and Laoha.