First of all, you need a work permit, which you definitely want. If not, it can't be done. You can go to Qingpu Vocational and Technical Training School (No.252, Pucang Road, Qingpu District, 597 10038).

Network access license is a high-pressure certificate. If the unit doesn't require it, you don't have to rush it. Of course, if you do well, the job will be easier to find. The high-voltage electricity certificate can be handled at Qingpu Training Station in electrician training (No.35 Songqing Road, qingpu town, 59720024).

There is also a qualification certificate, that is, a grade certificate, depending on your requirements. In a word, talking is better than nothing. You can go to Shanghai Qingpu Innovative Vocational Skills Training School (252 397 100 18, Pucang Road, Qingpu District). It is estimated that there are also vocational and technical training schools in Qingpu District.