Rich in mineral resources, there are more than 300 proven minerals, of which more than 200 are of mining value. The reserves of graphite and magnesite are among the highest in the world, and non-ferrous metals such as iron ore, aluminum, zinc, copper, gold and silver, and non-metallic minerals such as coal, limestone, mica and asbestos are abundant. Water power and forest resources are also abundant. The industries are mainly mining, electric power, machinery, metallurgy, chemical industry and textiles. Agriculture mainly grows rice and corn, each accounting for about half of the total grain output. The main ports are Jinqing, Nanpu, Yuanshan and Nanxing. It mainly exports steel, non-ferrous metals, ginseng, textiles and aquatic products. Imported products mainly include petroleum, machinery and equipment, electronic products and textile products. The main trade targets are China, South Korea, Japanese, Russian and Southeast Asian countries.