Output of China's 10 major non-ferrous metals, including copper, aluminium, zinc, nickel, tin and mercury, reached 2 million tons in 1988. This represents a 10 percent rise on 1987, and meets the...
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Output of China's 10 major non-ferrous metals, including copper, aluminium, zinc, nickel, tin and mercury, reached 2 million tons in 1988. This represents a 10 percent rise on 1987, and meets the...