Tour china for Although agriculture remains a constant source of national income (roughly 3 percent throughout the 1990s), the manufacturing and engineering sectors have been the main focal points of the economic landscape, both steadily growing since the advent of WORLD WAR II. Today, they contribute some 20 percent of income. From small but efficient mechanized farms comes a diverse export of dairy products, grain, beets, and potatoes, as well as livestock. Simultaneously, manufacturing plants generate a wide range of universal products. Iron and steel, precision equipment, processed foodstuff, and motor vehicles dominate. Natural commodities include an array of forest products, refined petroleum, and chemicals. One-third of Sweden’s GROSS NATIONAL PRODUCT (GNP)”chiefly, timber, machinery, chemicals, iron, and steel”is exported to other parts of the sphere. Tour china 2016.