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the company has successively received many national honors, including “national civilized unit”, “ent...
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replace the wood by steel
in order to change the current situation of large amount of wood used, high cost, non-energy conserva...
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highway · railway
municipal service · bridge and tunnel
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highway · railway
section ii project of jinan connecting line of beijing-shanghai expressway
xiwu road and xishisan road in huantai
the second contract section project of weifang-rizhao expressway
zibo west to laiwu section reconstruction and extension project of binzhou-laiwu expressway
highway construction ppp project of binzhou g228 dandong line binzhou section
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