Since our country was founded, especially since the reform an opening up, the growth speed of national economic construction is very fast. The corresponding development of sand used as concrete aggregate, and stone used in traffic and railway construction is also growing rapidly. 600 million tons a year before the reform and opening up has increased to 1.6 billion tons a year at now. Annual output amount of sand has reached 20 million tons. With the deepening of reform and opening up, the implementation of the Tenth Five-Year plan, the development of high technology and infrastructure, the quantity and quality of the sand has a higher requirement.
In the face of the new century, facing China’s accession to the WTO, and a new period of implementation the fifteenth national plan, the natural sand reduced, shortage or even depletion is the popular problem in most regions for China’s sand and gravel industry. Hoe to develop a new concrete aggregate- manufactured sand to meet the needs of national construction in new period has been an important issue before us.
The state has paid more and more attention to the resource protection and utilization. In 1990 and 2000, the central government held twice symposiums on population, resources and environment. The main leaders made an important speech at the meeting, pointed out that “the protection and management of resources must be strict, development in protecting and protection in developing. Giving attention to both administration and conservation in the course of development, putting the saving in the first place, we must actively promote the use of resources, change extensive developing way to save developing way, and realize the resource-saving and suitable China national conditions economic growth mode.” Since then a number of policies, regulations were introduced around the country, for example: Guangdong Province issued “quarry and dug regulations”; the Ministry of Land and Resources issued “the emergency letter on the cleanup of the rectification river sand”; Jinan City presented “the rehabilitation of local building materials production and strengthen the protection of ecological environment in the natural landscape”; Jiujiang City, in Jiangxi Province decided “ 300 Yangtze managing closure river ban on logging ”. Other cities were also issued a number of effective measures and regulations such as Changqing, in Shandong Province, Tongcheng, in Anhui Province, and Zhengzhou, in Fujian Province.
In this environment, the market demand of artificial is more and more big. In respond, the huge market demand also contributes to the rapid development of the sand making industry. China sand making industry will face to a rapid developing spring. Many manufacturers should seize this golden opportunity, rapidly grow their own and establish their own brand.
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