Supply And Production Condition Of Limestone

On the whole, limestone resources of China can meet the needs of production

. Some areas, however, are deficient in limestone resources, including coastal areas such as the Bohai Bay area, coastal area of Jiangsu, southeastern Zhejiang, southeastern Fujian, eastern Guangdong and southeastern Hainan; and inland areas such as central Inner Mongolia, eastern Jilin, western Jiangxi and northern Shaanxi. Consequently, some old cement plants in these areas are in bad need of limestone resources, for example the Jiangshan Cement Plant of Zhejiang and Mudanjiang Cement Plant of Heilongjiang. Limestone ores produced in China are mainly supplied to internal markets. Only minor amounts of them are exported and the exports have been fluctuated and even decreased in recent years. The export of 1996 was 31.53% lower than that of 1995 and the export of 1997 was 41.87% lower than that of 1996. Table 4.19.2 shows the import and export of limestone ores from 1994 to 1997.Henan Hongxing Mining Machinery Co., Ltd is the professional manufacturer of complete sets of mining machinery, for example,vibrating screen,stone production line Welcome all of you to visit our official website.cement making plant:http://www.crusher-machine.com/cement-production.html In China, most of the limestone deposits are mined in open pits and underground mining is operated only in some small mines in Fujian Province. The opencut mining is mostly carried out on hillsides. The Tiemen limestone mine of the Luoyang Cement Plant was extended from hillsides to depressions and the mine operates effectively. The limestone products include raw materials of cement and various limestones for metallurgical, chemical and sugar industries as well as other industrial usages. There are currently 1840 and more limestone mines in China, over 100 of which are State-owned enterprises. The average annual production capacity is about 2 billion tons. According to the yearbook published by the State Statistical Bureau of China, the output of cement limestone was 442 million tons in 1997 (converted baHenan Hongxing Mining Machinery Co., Ltd is a joint-stock mining machinery manufacturing enterprise integrated in scientific research, production and marketing. It is located at the High & New Technology Industries Development Zone of Zhengzhou,China with an area of 50 thousand m2 which includes 15,000 m2 of standard heavy duty industrial workshop. Equipments are more than 160 pieces, including large and medium sized metal processing, riveting and installing equipments. There are more than 660 workers including 80 administrators with secondary and senior occupational titles and engineering technicians. In order to promote the competitive strength, the advanced technologies have been introduced from America, Germany, Japan and Australia, which established the international advanced production line, first-class modern testing base as well as research centers of sand maker, mill and mine-selecting equipment. Scientific management, advanced processing technology and innovative manufacturing theory make the company become the mining machinery manufacturing and exporting base in China.

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