Tungsten, which is associated with bismuth, molybdenum, and tin deposits, is mined near the Jiangxi border, at Shixing and Wengyuan. Oil-shale deposits have been discovered in quantity on the Leizhou Peninsula. Oil refineries have been established in Maoming. The different regions of Guangdong are linked together by waterways associated with the Zhujiang river system, which comprises 80 percent of the province's 9,000 miles of navigable inland waterways, of which 2,440 miles are used by motor vessels. In addition, a number of coastwise and international shipping routes are variously linked to more than 100 large and small ports.
Water transport accounts considerably in Guangdong's total traffic.
Guangdong developed the best highway network in China, running primarily along the river valleys. The east-west rail tracks had been laid between Guangzhou and Zhanjiang in 1963. Guangdong provides a crucial link in China's domestic and international civil aviation routes. Air services connect the province to London, Paris, New York, Los Angeles, San Francisco, Tokyo, Hanoi, Dacca, Djakarta, Pyongyang, and Dar es Salaam. Cantonese food is widely recognized as among the best in China.