Hangzhou University Diving Club: Hangzhou University Diving Club provides diving training and textual research services, and you can sign up for diving certificate examination in this club.
Hangzhou Diving School: There are some professional diving schools in Hangzhou that provide diving training and research services. You can sign up for the diving certificate exam in these schools.
Diving training institutions: There are also some diving training institutions in Hangzhou that provide diving certificate examination services. You can sign up for the exam in these institutions.