Shanghai city level CDC is the only government authority place to give your further HIV or Aids Counseling service in Shanghai. But so far there only provide Chinese Service. Or you may choose international hospital for further consultation if you got really good expat insurance package. Or if you just need to ask for HIV test, you either can order HIV self test kits through: http://www.sinoaid.cn/hiv.html or onsite Shanghai HIV testing Service through: http://www.shshanghai.com/shanghai-stds-and-hiv-test.html