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The impact crusher and jaw crusher are commonly used in the sand and gravel production line. Different devices have different crushing effects on material whose performances advantages of sand and gravel production line are various. First, the impact crusher has high crushing ratio which can reach over 50, but the crushing ratio of the jaw […]

Global demand for specialized mining machinery and equipment such as dryer machine (including separately sold parts and attachments) is projected to increase 5.9 percent per year through 2011 to $33.6 billion. Advances will be fueled by continued demand for commodities such as iron ore and copper. In addition, the ongoing global thirst for energy will […]

The mobile crushing equipment industry and the crane industry is promoting and developing together with each other. The fast development of the mobile crusher in our country provides support for the development of the mobile crushing machine industry in our country. At present, the crusher market in foreign countries almost gathered all famous and well […]

Granite is a common widely occurring type of intrusive,felsic, igneous rock. Granite usually has a medium- to coarse-grainedtexture. Occasionally some individual crystals (phenocrysts) are larger than the groundmass, in which case the texture is known as porphyritic. A granitic rock with a porphyritic texture is sometimes known as a porphyry. Granites can be pink to […]

Improvements in engineering are very important to the industrialization and prosperity of a country. Although engineering improvements sometimes come through trial and error they are most often achieved by applying pure science and mathematics to engineering. One of the most important scientific discoveries of all time was the law of electromagnetic induction discovered by an […]