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General manager zheng dongnan was interviewed by the chongqing news reporter on the new industry

  In chongqing start three key new product research and development and industrialization of construction at the same time, chongqing ding mechanical and electrical co., LTD., general manager Zheng Dongnan cultivate structural optimization, expanding technology advanced the new industrial system at home and abroad markets chongqing satellite TV news reporter's interview, talk about ding industry development and sales of a year.