How to apply the z visa?what is the procedure and requirements? I have selected dongguan one compan?

Ukesh, the first thing is to prepare the required documents including your passport and its copy, the application form, a passport-style photo, work permit and invitation letter from a duly authorized unit. Your employer will get the last two documents for you.
Next step is to submit the application to the CVAXC to apply for the work Z type.