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The city is the high-tech and manufacturing hub of southern China, home to the world's third-busiest container port and the fourth-busiest airport on the Chinese mainland. Strong R&D capability and a complete industrial chain have made high-tech industries Shenzhen's most important pillar.


The total output value of high-tech products made in Shenzhen reached 1.7 trillion yuan in 2015, up 11.16% from the previous year.


In 2015, expenditure of R&D of Shenzhen accounted for 4.05% of its GDP, which was twice the national average and outnumbered that of some developed countries.


In 2015, the PCT applications amounted to 13,300, comprising 46.9% of the nation's total and stayed at the top of China for several consecutive years. There are 5,524 recognized State-level high-tech enterprises in Shenzhen. The 4G technology, genetic sequencing analysis, metamaterial technology, new energy automobile and 3D display technology are among the leading technologies in the world.