How do parents studying in New Zealand apply for immigration?

Introduction to the application conditions for immigrants of parents studying in New Zealand: Children are New Zealand citizens or permanent residents, and the number of children in New Zealand is equal to or greater than that in other countries; Invest S $654.38 million+S $00,000 in areas designated by the New Zealand government for 4 years (bonds, stocks, funds or companies); Prove that there are still S $500,000 living expenses and S $60,000 annual income (this money does not need to be brought to New Zealand); The applicant must prove that the source of investment funds is legal and that the funds can be donated or inherited by others; Spouses and minor children can apply together; The application fee is 2600 Singapore dollars. Parental migration category II: New Zealand sponsors must have been settled for more than 3 years and must live in New Zealand every year for 3 years 184 days; Children must have a pre-tax income of S $30,000 per year (which can include salary income, deposit interest or other investment income); There are two kinds of applications for reunion immigration: parents' reunion immigration: it means that parents can apply if half or more of their children have settled in New Zealand or other countries; Immigration of the last member of the family: both parents or other children have settled in New Zealand or other countries, and only one child is in China. This child is the last member of the family and can apply to settle in New Zealand.