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"Covid" is now the word of the year.

"Collecting and analyzing big data and exploring its potential value can help companies truly achieve smart manufacturing by increasing efficiency and flexibility, improving quality and reducing costs," he said.

"Chinese smartphone makers are growing beyond their borders and getting increasingly popular all over the world. That is mainly due to their competitive pricing and attractive product range," said Xiang Ligang, director-general of the Information Consumption Alliance, a telecom industry association.

"Compared with other first-tier cities like Beijing, Shanghai and Guangzhou, Shenzhen has a big population with relatively little land," said Guo Wanda, who works with the China Development Institute based in Shenzhen. "This is part of the reason why skyscrapers offer a solution to the problem."

"Chinese president and premier visiting Germany (in the same year) once again is a rarely-seen diplomatic move in Sino-German relations and even in China's history of foreign relations, it is extremely rare," said Shi Mingde, Chinese ambassador to Germany.