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Housing construction general contracting qualification level
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Steel structure project specialized contracting grade qualification
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Design class a qualification in 2014
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Premium quality steel structure manufacturing enterprises
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Architectural metal house (wall) design and construction of premium quality
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Tianfon international contractors certificate
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Steel structure manufacture one class aptitude
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The central region integration building mobilization center
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Henan province enterprise technology center
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Energy-saving building steel structure engineering technology research center of henan province
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Postdoctoral research base in henan province
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Green national steel structure housing industrialization demonstration base system