First of all, if you want to apply for going to Hong Kong, you can apply for a "Q (Other)" one-time visa to Hong Kong at the Gongbei Port Visa Office according to the new issuance standard issued by the Ministry of Public Security in 2006, and the validity period is three months or one year. After the application is completed, you can travel to Hong Kong from any open port in China or Macao port within the validity period.

If you don't know the specific matters, you can call the visa office of Zhuhai Gongbei Port at 0756-8 167 183.