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Images record Gaoping's 40-year journey

chinadaily.com.cn | Updated: 2018-08-16 07:00
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A pipe-casting plant at Xi'nanzhuang in 1988. [Photo by Qin Hongyu/cpanet.org.cn]
The nation's largest casting group in 2008, which produced pipes for the venues of 2008 Beijing Olympics. [Photo by Qin Hongyu/cpanet.org.cn]

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