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An employee works at a workshop of a private enterprise on new materials at Shiqiao industrial park in Yiyuan County of Zibo, east China's Shandong Province, on Nov. 3, 2018.(Xinhua/Zhao Dongshan)
An employee works at a workshop of a private enterprise on new materials at Shiqiao industrial park in Yiyuan County of Zibo, east China's Shandong Province, on Nov. 3, 2018.(Xinhua/Zhao Dongshan)