30 Jin. The announcement issued by the food supervision department on September, 200212002 10 shows that a large basket of oranges weighs 30 Jin. The orange tree is a small tree, whose fruit can be peeled and eaten fresh, and the pulp can be used as seasoning or additive for other foods. In China, sweet oranges are mainly planted in the provinces south of the Yangtze River, and the largest producing areas of sweet oranges for juice are mainly distributed in the citrus belt in the middle and upper reaches of the Yangtze River. The sweet oranges produced in this area have high juice yield, pure flavor, pleasant color and excellent quality of processed products.