SHANGHAI, May 6 (SMM) - Tangshan Zhengfeng Iron & Steel Co., Ltd. invested 1.2 billion yuan to build a new project, covering an area of 425 acres. The company has replaced traditional manual production with mechanical automation, so that the daily output of a single production line has been increased from 400 mt per day to 1200 mt per day. The new project is expected to be completed and put into operation in June.
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