Mineral and energy resources China is rich in mineral resources and energy resources. The country is believed to have the world's largest nickel reserves and lead and zinc deposits as well as approximately half of the world's antimony reserves. It is one of the richest countries in petroleum, tin, copper, aluminium and magnesium. China is the world's largest producer of coal and natural graphite. Other important minerals include tungsten, molybdenum, mercury, bauxite, phosphate rock, fluorite, siderite and iron ore.
China is also the world's largest producer of raw cotton, cloth and cement.
Beijing 10 Shanghai 21 Nantong 513 Shenyang 24 followed by the subscriber's number. Telephone facilities are good, although somewhat congested. It is possible to book calls to the major centres within China. Telex and telegram facilities are available in all the major cities. Postal services are efficient.