The profit margins of the 40 top mining companies globally have decreased compared to 2006 and 2007 levels due to higher costs, according to PricewaterhouseCoopers.
The companies recorded a low return on equity of 22% in 2010 due to the cost impact while it was 31% in 2006 and 27% in 2007. Jaw crusher for sale
Revenues of the world's 40 largest mining companies by market value stood at $435bn in 2010 due to higher commodity prices.
The top 40 miners have announced over $300bn capital expenditure projects of which $120bn will be spent in 2011, more than double spent in 2010. crushing plant china
The PricewaterhouseCoopers study finds that rising costs, labour and materials supply, complexities in operations will challenge the industry in future. vibrating screen
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