Under natural conditions, inorganic substances that are composed of the same chemical composition and physical properties in nature are called minerals. The main elements constituting various minerals are oxygen, silicon, aluminum , iron , calcium, potassium, magnesium, and the like. The earth's crust is made up of rocks, which are made up of minerals, which are made up of one or more chemical elements.
Various minerals in the earth's crust, where the use mining, washing and smelting and other modern technology to extract economy and national defense or metallic mineral products, call the ore required for each department.
Extract metals ores called metal ores, such as iron ore, copper ore and the like; extract non-metallic elements, minerals or ore directly called non-metallic minerals, such as phosphorus, asbestos, mica, lime and the like.
Ore is divided into rich ore and lean ore according to the grade of its grade; it is divided into simple ore and comprehensive ore according to the number of useful components that can be utilized.
Spider Crane
Brief introduction of spider crane
Miniature crawler crane is widely used in the maintenance and installation of electrical equipment in substation, maintenance and installation of equipment in mechanical and chemical workshop, glass curtain wall and other occasions with narrow space.
At present, it has been widely used by State grid and China Southern power grid, and has been used in Shanghai world EXPO, general motors, Lanzhou petrochemical, Tianxin petrochemical, as well as building construction project, etc. The products have been exported to the United States, Australia, Canada, Britain, Brazil, Vietnam, united Arab emirates and other countries.In addition to the rated load of the crane there is a certain surplus, can work for a long time.
China crane,spider crane,tower crane,Crawler Spider Crane
Henan YK Prospecting Machinery Co., Ltd , https://www.yikyuirig.com
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