China was an insular communist country with a centralised planned economy when Mao Zedong was in power.
When Deng Xiaoping came into power, he introduced economic reforms to become a more open market economy.
In 1980, four SEZs were introduced, such as Schenzhen.
In the mid 1980s whole coastal cities linked with global capita, technology and talent.
In the mid 1980s there was large economic growth. SEZs were upgraded and many attracted FDI such as the China-Signapore cooperation park.
In the 21st century, China was the world's top trading nation. SEZs had 45% of China's FDI, 60% of exports and over 30 million jobs created, accelerating industrialisation.
They caught up with the 2007/8 recession in 2015/16
In 2017 China was the 3rd largest recipient of FDI with over $135 billion recieved and more than 43% investment in the manufacturing sector.
However, foreign TNCs faced issues in China such as poor protection of intellectual property rights and legal uncertainties.