(also Keelung), a city and port in Taiwan Province, China. Population, 313,700 (1969). Situated on the northeastern coast of the island of Taiwan, Chilung is one of the ports of Taipei. The port handles approximately 3 million tons of freight annually. A commercial and industrial center, Chilung has chemical, cement, food-processing, and fishing industries. Machine building, especially shipbuilding, also plays an important role in the city’s economy.