What are the Xintang Industrial Zone in Guangzhou (Zengcheng)?

Donghua Development Zone (there are dozens of factories with a factory scale of about 10 groups), Cowboy City and an industrial zone behind it (all large garment factories, including Jingcheng garment factory with thousands of people), Xintang Cowboy Base (the number of factories is small, and it is said that closed management is implemented) and Dadun Village (the factory scale is small, but it is more than the number). It is estimated that there are100000 migrant workers, most of whom are from Sichuan). Dongkeng (many factories, three or four groups in scale and concentrated population); Yonghe Development Zone (unknown);