Visa applicants need to log on to the website "China Online Visa Application (COVA)" to fill in the COVA forms. Please click "visa" on "Quick Access".Complete the online application form at the China Online Visa Application (COVA) website. Apply for China Visa Online. Or call us at . 1、 Enter the "Online Form Filling" page to start filling out the form. Please complete the China Online Visa Application (COVA). You will need the application ID to book an appointment. 5.