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Strategic Metal Minerals: Ten National Treasure Mines in China
Update Time : 2019-05-07 View : 4607

Strategic industrial raw materials generally refer to antimony, tungsten, zinc, molybdenum, coking coal, phosphorus and talcum, which can be used in the manufacture of stainless steel, semiconductors, aircraft and other products.

China is rich in natural resources, and many mineral resources rank first in the world. For example, rare earths, among the proven reserves of rare earths, China still ranks first, accounting for 43% of the world's total reserves of 210 million tons. China's rare earth output accounts for nearly two-thirds of the world's total output. In 1999, China exported 50,000 tons of rare earth, and consumed 16,000 tons of rare earth domestically, totaling 66,000 tons. In that year, the world consumed 75,000 tons of rare earth. Therefore, China has provided 88% of the rare earth needed by the world, and the main source of rare earth in China is Baotou. Rare earth is widely used in national defense research. It is suggested that the state should strictly protect such strategic mineral resources. Don't let the price of cabbage repeat.
Strategic industrial raw materials generally refer to antimony, tungsten, zinc, molybdenum, coking coal, phosphorus and talcum, which can be used in the manufacture of stainless steel, semiconductors, aircraft and other products.
1. Tungsten Capital: Dayu, Jiangxi Province
Dayu County is located in the south of Jiangxi Province, upstream of Yuanzhangshui River in Jiangxi Province. It covers an area of 1368 square kilometers and has a population of 243,000. The county has a long history. It belonged to Nanye County in Qin Dynasty, Nankang County in Sui Dynasty and Dayu County in Tang Dynasty. After the Song Dynasty, Nan'an Army, Lu and Fuzhi were the successors. It was changed to Dayu County in 1957. It is named for its location at the northern foot of Dayuling Mountains. Dayu County is rich in tungsten resources, known as "Tungsten Capital", and is the largest tungsten mine base in China.
Uses: Tungsten, metal elements, hard and brittle crystals, high temperature resistance, wide range of uses, is an important raw material for iron and steel, electrical appliances, chemical industry and national defense industry, especially in recent years, tungsten in the field of cutting-edge science and technology has shown its important role. China is the country with the largest reserves and output of tungsten ore, known as the "Kingdom of Tungsten Production". According to the relevant data in 1977, China ranks first in the world's tungsten reserves, accounting for about 53.6%.
2. Xidu: Gejiu, Yunnan
Advanced and pure tin is well known at home and abroad, and enjoys the reputation of "Tin Capital". After the founding of New China, a total of 192,000 tons of non-ferrous metals were produced, of which 920,000 tons were tin, accounting for more than 70% of the national tin output. It is the largest tin modern production and processing base in China.
Purpose: Tin is mainly used in metallurgical industry to produce tinplate (tinplate) and various alloys. Tin plate is the main consumption area of tin, accounting for about 40% of the consumption of tin. It can be used as containers for food and beverage, various packaging materials, household appliances and dry battery shells. Tin is mainly used in chemical industry to produce tin compounds and reagents. Tin organic compounds are mainly used as wood preservatives, pesticides, etc. Tin inorganic compounds are mainly used as catalysts, stabilizers, additives and emulsifiers in the ceramic industry.
3. Zinc Capital: Lanping, Yunnan
Lanping is well-known both at home and abroad for its unique mineral resources. At present, more than ten kinds of minerals, including lead, zinc, copper, silver, salt, strontium, mercury, antimony, sulfur, iron, gypsum, mica, pyrophyllite, Iceland stone and crystal stone, have been discovered and discovered, with more than 150 ore deposit sites. Among them, the Fenghuangshan super-large lead-zinc mine in Jinding ranks second in the world with a reserves of 14.29 million metal tons and a potential value of more than 200 billion yuan, owing to its large reserves, high grade, concentrated mineralization and easy mining.
Usage: Zinc has good calendering, corrosion resistance and wear resistance. It is the third important non-ferrous metal in 10 common non-ferrous metals. At present, zinc is second only to copper and aluminium in consumption of non-ferrous metals. It is widely used in non-ferrous, metallurgical, building materials, light industry, electromechanical, chemical, automobile, military, coal and petroleum industries and other sectors.
4. Nickel Capital: Jinchang, Gansu
Jinchang nickel deposit is located in the north of Yongchang County, Hexi Corridor, Gansu Province. Longshou Mountain deposit is a rare nonferrous metal symbiotic deposit with nickel as the main mineral in the world. It contains abundant nickel sulfide, copper, cobalt, gold, silver and platinum group metals. After the Jinchang nickel mine was put into operation in the 1960s, the history of non-production of nickel in China was ended, making China one of the countries with the most nickel resources in the world. Now Jinchang Nickel Mine has established a large-scale joint venture of mining, dressing and refining, which can extract more than ten kinds of products directly from ores. Among them, the output of nickel and platinum group metals accounts for more than 85% and 90% of the total amount of the country, respectively. Jinchang has become China's largest nickel production base, copper, cobalt, gold, silver and platinum metal extraction center, and is known as "China's nickel capital".
5. Antimony Capital: Lengshui River, Hunan Province
In the late Ming Dynasty (1541), Hunan tin mine, the largest antimony mineral area in the world, was discovered, but at that time antimony was mistaken for tin, so the tin mine was named after it. It was known as antimony by laboratory tests in 16th year of Qing Guangxu (1890). Guangxu 23 years (1897), founded the "Jishan" plant, as the earliest antimony refinery in tin mines, so that our country's "Lianxi" into the antimony production era. In 1908, Hunan Huachang Company introduced the volatilization roasting method from France and began to use it to make antimony. With the rise of machinery manufacturing industry, the use and demand of antimony are expanding. Following the development of tin mines, antimony mines in Banxi, Banxi, Xinshao Longshan and Taoyuan Woxi of Hunan Province have been developed successively, making Hunan antimony industry rank first in the country. Then, Guizhou, Yunnan and Guangxi provinces and regions have also been mining some antimony deposits. In the decades since 1908, antimony production in China has often accounted for more than 50% of the world's total output. Only in tin mines from 1912 to 1935, antimony production accounted for 36.6% of the world's output and 60.9% of the country's total output.
Usage: Antimony is a silver-gray metal. It is an acid-resistant material at room temperature. Its specific gravity is 6.68, melting point is 630.5 C, boiling point is 1590 C. It is brittle and non-ductile. It is electricity and heat.

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