In fact, compared to other industries building aspect, like reinforced concrete and cement materials, their popularity is a little higher, sand industry is not so busy, every area of our country highway and many magnificent buildings in the current planning and schedule, so the construction of many highways construction and the building cannot do without, large supply of high quality aggregate materials, follow the development of the industry to a certain age is the need for innovation and renewal, then the Shashi industry is the same, need the most advanced dolomite crushing production has the better show crusher machinery, to coordinate development.

In fact, many people know the sand, for the existence of the use and form of his is also a certain understanding, in general do construction projects must use some natural gravel material, at present, the outstanding aggregate materials have been in short supply, a large amount of sand supply have outstanding new dolomite crushing production as coordination.There are two kinds of mainly used in road engineering materials, is a stone is a sand, gravel material is a mixture of various kinds of concrete, general particle size in two millimeter above is called the gravel. The sand is cement mortar, cement concrete or brown, the main raw material of asphalt sand.