Ouyang Feng
Male, born in 1986, 33 years old, bachelor degree; graduated from Tianjin University in 2011 with a major in construction engineering; senior engineer. Joined the company in 2015 and is currently a company engineer.
Wang Kai
Male, born in 1984, 35 years old, bachelor degree; graduated from Hebei University of Technology in 2005 with a major in mechanics. He joined the company in 2012 and is currently a senior engineer in the company's R&D department.
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