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The emergence of sand making machine has promoted the development of China’s industry

2017-03-31

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Sand and gravel is an important material for the transformation of urban infrastructure and road construction and other infrastructure, and how to come from the sand, we have to look at what. Many people think that these are from the river sand or other areas of mining of natural stone, in fact, the use of natural stone, in fact, a lot of construction field now required for the industry is the basic mechanism of the gravel sand, natural sand mining from cost to quality have certain shortcomings, and sand sand just to make up for the lack .

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