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The maintenance measures that improving the performance of sand making machines
The vertical shaft impact crusher consists of rotor, crushing cavity, motor, transmission device, main shaft system, lubrication system and electronic control system. In order to maintain the good performance of the sand making machine, it is necessa...
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Cement industry continue to pick up to drive the development of the crusher indus
Sand, stone is an important base material consisting of cement.As direct equipment to produce sand and gravel aggregates, the pick up of cement industry in 2014 will lead the crushing industry continues to heat up. As Asias largest and strength minin...
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Kefid's large hydraulic cone crusher is professionally used for zirconium ore cru
According to RIA Novosti reported, there is a zirconium deposits with several hundred thousand tons of large reserves at Ayanuo-Maisky district in Khabarovsk was discovered. In addition, people also found diamond, rare earth, gold, niobium, tantalum,...
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Lesson from Alpha Natural to close 11 coal mines and cut 1,100 jobs in US
Alpha Natural Resources has informed around 1,100 employees working at its 11 affiliated surface mines and related infrastructure in West Virginia, US, about the proposed closure of the facilities and job cuts....
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What shall we do in the back of Iron ore price bulls?
Long held assumptions about the direction and dynamics of the iron ore market have been tested in 2014. After hitting a high of $158.90 in February, the industry was jolted on March 10, when iron ore suffered the worst one-day decline since ...
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Improving productivity is the biggest challenge in the mining industry: Ernst &am
Improving productivity is the biggest challenge being faced by the global mining and metal companies, according to a report by Ernst & Young (EY)....
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Our metallurgy ore production line can contribute to solving ETF gold piling up i
At the same time buyers in Asia have become less willing to pay high premiums for this gold. The imports drop 60% in China. Besides, there is also a marked slowing in these flows in Swiss, Switzerland and other countries....