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"During the rush hours, customers have to wait in line," said a member of staff with Changchun Ouya New Life shopping mall in Changchun. "The machines are mostly used by young people and they are cleaned every day."

"During the process, companies need to have a better understanding of today's much-needed skills and then take actions accordingly, Wang said.

"Education is about the lives of all families and our country's future," said Liu Xiya, an educator from Chongqing and delegate to the two sessions.

"Europe will be one of our focus markets this year. We are looking to gain a lead in the European market by unveiling a new product toward the end of this year."

"Every item on display is of leading-edge technology in its field and with prospects in the international market. Moreover, dual-seat JF-17 and AC312E helicopters make their international air show debut in mock-up," it said.