What is the way to get the work visa (Z type)?

Prior to applying for the Z type, you need to get a work permit and invitation letter from duly authorized unit through your employer. Then prepare the following documents: a passport and passport copy, a filled-out application form attached with your photo, the original and photocopy of the company's certificate of registration issued by PRC Industrial and Commecial Administrative Department, and the original and photocopy of a medical report issude by an accredited hospital.
The last step is submitting all documents mentioned above to the embassy and applying for the Z type.