The human race not only needs mineral resources for its survival but also consumes a lot of vacuum belt dryer so as to achieve the development of production and construction and the progress of society. This is particularly true today when the human race has entered a modernized society. Moreover, along with the increase of the modernization degree and the improvement of the quality of people"s life, the consumption of mineral resources will be further increased.

Take copper ore for example, the utilization of copper ores by the human race has had a history of thousands of years or more. In this historical process the whole world has mined out from underground about 270 million tons of copper metals, of which only 3,200 tons were worked out in the period ofrotary dryer supplier before the 20th century and those exploited in nearly 100 years afterwards amounted to 238 million tons, averaging about 2.4 million tons per year. And in 1997 the world output of copper metal already topped 11.0 million tons or more. Again, take the energy, in 1952 China"s consumption of primary energy was 46.95 million tons of standard coal but in 1997 it was 1.42 billion tons of standard coal, 30 times that of 1952. As indicated by a horizontal comparison, the higher the level of modernization, the greater the per capita consumption of mineral commodities. According to relevant data, China"s per capita consumption of primary energy in 1997 was 0.74 t of oil equivalent, whereas the world"s per capita consumption of crude oil in the same year amounted to 1.47 t, 1.98 times China"s, and the per capita consumption of crude oil in the United States was 8.04 t, 10.86 times that in China.

Even today when the human race has ushered in the information and intelligence ages, mineral resources remain an unreplaceable, important material base for the modernization drive, for more than 95% of energy resources are still mineral resources, over 80% of industrial raw materials still come from mineral raw and processed materials and over 70% of the means of agricultural production are still derived from industrial spray dryer. This is the case with China and such is generally the case with the world. Being the carrier of the information expressway, photoconductive fibre itself is also manufactured from high-purity quartz and the oxide of germanium as raw materials, while quartz is a nonmetallic mineral and germanium is contained in one of minerals of rare dispersed elements. Hence it can be seen how important mineral resources are to a modernized society.
As the professional manufacturer of complete sets of mining machinery, such asRotary dryer, Henan Hongxing is always doing the best in products and service.