Originally Posted by
dtsm
You have no rights of a Chinese citizenship, you cannot travel in/out of China with just a HKID and HKSARS passport [you need a Hui Xiang Zheng, 回乡证], you cannot own property in China, you cannot vote in China.
If you qualify, HK government cannot deny you the SAR passport. However, the Chinese government can deny you the Huixiangzheng if they don't want you to be able to enter the mainland. The right to travel within/into/out of the country is not part of Chinese citizenship.