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An employee works on a production line of viscose staple fiber in Tangshan Sanyou Group in Tangshan, north China's Hebei Province, July 12, 2018. A viscose staple fiber plant of Sanyou Group, a key project of Hebei Province, has been put into operation recently. With a 200,000-ton annual production, this project enables a total annual production capacity of chemical fiber of 800,000 tons for the company. (Xinhua/Yang Shiyao)
