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Chen noted that every part on the Z-20 was developed and made in China.
Chen Ruping, the deputy director of education development research at the Ministry of Education, said last year that some parents have taken advantage of these contests to stack up extracurricular accolades for their children, which would help their kids get into better schools.
Children enjoy first-hand experience of 3-D printing technology during their summer class at a community center in Hohhot, Inner Mongolia autonomous region. [Photo by Ding Genhou/China Daily]
Chen Yao, a research fellow at the Chinese Academy of Social Sciences, said colleges, hospitals and related operations, institutions and agencies could all shift to this area in future.
Chen further predicted that the overall cobalt demand in 2025 will be around 115,600 tons in China, and 248,900 tons worldwide.
来源：资阳报