Diamond drill bits include many types of
drilling tools, such as electroplated diamond dilling bits, metal bonded
diamond or CBN drilling bit or core drill bits.
If you would like to drill through hard
materials such as Glass, Stone, pebbles, Precious and Semi-Precious stones,
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tool. Diamond Core Drills allow good circulation of water and will stay cooler
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since it is only cutting out a small circle of material.
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In 2008, it was obvious that the total amount of stone production fell by 18%, which directly led to a decrease of 7.25% in the number of workers in the mining industry and a decrease of nearly 20% in the number of workers in the processing plant.
In 2008, the total number of stone companies fell by 18%, so it is particularly important to file for bankruptcy protection. About 15% of the mines and 1.56% of the processing plants closed down.
This background is not only the impact of the global financial crisis, the downturn in the real estate market, the downturn in the building materials industry, these combined factors have led to the depression of the stone industry. The table below shows the changes in Spanish stone. Brazilian stone market is still depressed
From January to May 2009, the Brazilian stone industry faced the same dilemma as the Spanish stone industry: the total value of exports fell by 40%, the total tonnage of exports fell by 35%, and imports also fell.
According to the Spanish Trade Association, the output value of the entire stone industry did not rise in 2009. Exports seem to have returned to the level of $600 million in 2004.
The Spanish Natural Stone Association FDP released a set of data: in the first half of 2009, stone production fell by 50% year-on-year, and the stone industry employment fell by 30%, which was the result of reduced supply.