Where is the largest concentration of Taiwanese businessmen in Chinese mainland?

The most concentrated area of Taiwanese businessmen in Chinese mainland: 1. Kunshan City, Jiangsu Province: As the most concentrated area of Taiwanese investment in the mainland, Kunshan has attracted 3,200 Taiwanese-funded enterprises since the first Taiwanese-funded enterprise settled in 1990, with a total investment of more than 29 billion US dollars. Founded in 1998, Kunshan Taiwan Province Compatriots Investment Enterprise Association is the first and only county-level Taiwan Association in Chinese mainland specially approved by the Taiwan Affairs Office. At present, there are nearly 1200 members in Taiwan Province. 2. Dongguan City, Guangdong Province: Adjacent to Hong Kong and Macao, located in Dongguan, the center of Guangzhou-Shenzhen Expressway. A Guangdong city of more than 2,400 square kilometers has gathered one-tenth of Taiwan-funded enterprises in the whole mainland. Since the first Taiwanese enterprise settled in 1985, Taiwanese investment in Dongguan has always maintained rapid and steady growth, and it has reached a peak in recent years. At present, there are nearly 5,000 Taiwan-funded enterprises in Dongguan, Guangdong Province, covering an area of more than 2,000 square kilometers, accounting for110 of Taiwanese-invested enterprises in the mainland, with a cumulative contractual investment of US$ 4.85 billion, accounting for13 of Taiwanese-invested enterprises in Guangdong Province. 3. Xiamen City, Fujian Province