Since Argyle Diamond Mine was officially opened in 1985 it has produced over 600 million carats of diamonds. By volume this mine is the largest producing diamond mine in the universe but only about 5 percent of the stones produced are considered gem-quality Other diamond mines usually hold about 20 […]
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Car explosion lee film industry development
Paulson held by the international “China automobile accessories and refit receptacle exhibition” successfully held since 2005, and has been praised by the emphasis of industries, known as the automobile accessories industry development vane, highest the trend of the development of the industry. Car explosion protection film industry development On December […]