Please click "visa" on "Quick Access". Visa applicants need to log on to the website "China Online Visa Application (COVA)" to fill in the COVA forms.1、 Enter the "Online Form Filling" page to start filling out the form. Complete the online application form at the China Online Visa Application (COVA) website. Please fill in the form in Chinese or English. Booking an appointment. There are over 30 different career paths from which to choose. Below are vacancies open to the public (ALL US Citizens). Once a profile has been created and a resume built, they can click the "Apply Online" button on the righthand side of the vacancy announcement. Documents Required for the Z Visa Application.