Xi’an Chuang Chuang Park was founded 17 years to attract a large number of returnees entrepreneurs

venture so far has become a social trend, at the same time, in various parts of the business park also continued to introduce some good policies to attract overseas business personnel, Xi’an Park was founded in 17 years, attracted a large number of overseas students to entrepreneurship.


According to the




for aerospace structures to reduce every gram of weight for

Zhang Weihong, vice president of Northwestern Polytechnical University


Optimization design of

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