to know about PR of Hongkong

following persons are able to apply for the permanent residents of Hong Kong:
1. Chinese nationals who were born in Hong Kong.
2. Chinese nationals who were born outside Hong Kong but who are lawfully permitted to live in Hong Kong and have done so for 7 years.
3. Chinese nationals who were born outside Hong Kong to a parent (father or mother) who, at the time of birth, was already a Hong Kong permanent resident.
4. Foreigners (persons not of Chinese nationality) who have lived in Hong Kong lawfully for 7 years and have taken Hong Kong as their permanent place of residence.
5. Foreigners under the age of 21 who were born in Hong Kong to a parent who is a permanent resident as defined in category 4. On reaching the age of 21, these persons must establish their own permanent resident status under one of the above categories, otherwise they will cease to be permanent residents of Hong Kong.
6. Persons who had no right of abode anywhere other than Hong Kong before the establishment of the Hong Kong SAR.