how can i make working visa in China?

If you hold UAE resident visa valid for more than 6 months, you can apply for China work visa in Dubai. Otherwise, you need to apply in Bangladesh. Work visa requirements are as follows:
1. Original passport with blank visa pages and validity of more than 6 months;

2. UAE resident visa valid for more than 6 months. (Excluding GCC applicants);

3. Application Forms V2011A and V2011B;

4. One passport photo;

5. Copies of the data pages of your passport and UAE resident visa.

6. Invitation letter and work permit from China.