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US scientists develop solar cells with conversion efficiencies close to 50%

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The world's largest mold show -euromold European mold exhibition

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A high-efficiency silencer circular saw is available overseas

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Hygienic Stainless Steel Pipe Fitting Tc End Tee

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Advanced manufacturing technology puts new demands on China's manufacturing industry

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China's independent research and development of lithium lake salt lake technology has been successful

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