Mainland China has 19 miles of land border with Hong Kong, it hardly needs to ship its tanks through the Macau-Zhuhai bridge. Also, the PLA already has about 6

Mainland China has 19 miles of land border with Hong Kong, it hardly needs to ship its tanks through the Macau-Zhuhai bridge. Also, the PLA already has about 6,000 troops stationed in HK: https://en.wikipedia.org/wiki/People%27s_Liberation_Army_Hong_Kong_Garrison https://en.wikipedia.org/wiki/People%27s_Liberation_Army_Hon...