ID card plus fingerprint identification information security issue who guarantee

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The profit of China's cement industry reached 100 billion yuan in 2011

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LME Market Report: Most Base Metals Lower US Zinc Inventory Worries

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Where are the technical advantages of copper clad steel ground rods?

Analysis of Cost Compression of Enterprises with Overcapacity in Flooring Industry

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The 3rd Executive Director (Extended) Meeting of the 4th Superhard Materials Branch will be held tomorrow

AMT trader metal daily comment: It is expected that the copper market will maintain the range volatility