Hengyang is abundant in mineral resources and has got fames as “Land of Non-ferrous Metals” and “Land of Non-Metals”. So far more than 50 kinds of minerals have been discovered in Hengyang, such as coal, iron, lead, zinc, tungsten, manganese, tin, copper, porcelain clay, fluorite, barite, boron, gypsum, salt, albite, marbles, etc. The proved reserves of nonferrous metals are at the top of the list in China. The reserves of porcelain clay and the production of albite are at the first rank in China, and fluorite and barite is well-known both in China and abroad. The following are the most competitive ones: Lead, zinc, copper are at the top of the list in Hunan and their proved reserves are 135,600 tons, 1,230,000 tons and 136,000 tons respectively. Among the precious metals, gold reserve is 48,143 kg, which ranks first in Hunan; silver reserve is about 1852.3 tons and nickel also has its remarkable reserve. The non-metal albite has the largest reserve in China and reaches 34,997,000 tons. The reserve of boron in Hengyang is 1,009,400 tons, which is second only to that in Liaoning province and is the only producing area in South China. Besides the well-known Jiepai Porcelain Clay, the laminated porcelain clay in Leiyang county has the largest reserve in South China and has a bright exploiting prospect. Rock salt, a kind of raw chemical material, has a large reserve of 1,240,000 tons, and glauberite has 404,528,000 tons, which ranks first in Hunan province.