Why are there so many foreign companies in Chang 'an, Dongguan?

Dongguan government's strong support for foreign-funded enterprises at the policy level. As of July 25, 2023, according to the information on the website of Dongguan Municipal Government, there are so many foreign companies in Chang 'an, Dongguan, which is the strong support of the Dongguan Government for foreign-funded enterprises at the policy level. The supporting policies such as "Ten Articles on Foreign Investment" in Dongguan provide broad development space for foreign-funded enterprises. Dongguan, referred to as "Dongguan" for short, is a prefecture-level city and megacity under the jurisdiction of Guangdong Province, and the central city on the east coast of the Pearl River Delta as determined by the State Council.