The Shanghai company should prepare the below two documents for you
l Original Employment License for Foreigners issued by Ministry of Human Resources and Social Security of China and copy

l Original Visa Notice Form issued by authorized departments of Chinese Government

You should prepare the following documents in person:
Physical Examination Report from local public hospitals and copy
1. Valid passport (at least six months before expiration) with blank visa pages and copy of the first three pages;

2. TYPED Visa Application Form with one passport photo.

3. Applicants who have never been to China before should submit in person.