Can I apply for permanent residence in Hong Kong by working in Shenzhen?

As long as it reaches the age limit.

After graduating with a bachelor’s degree and working in Hong Kong for three years, you can apply for permanent residence. After graduating with a master’s degree, you can apply for permanent residence by staying in Hong Kong for five years.

Applicants must work in the imported Hong Kong company that meets the immigration application requirements in the short term and can make a certain contribution to the Hong Kong economy.