First log on to the website of Shenzhen Stock Exchange (www.szse.cn), then enter the stock code of the stock you want to see in the bulletin board of listed companies, and then press enter to confirm. Under those relevant announcements, there will be audit reports of relevant stocks (note that some companies will also have audit reports, but there will also be announcements marked as relevant audit reports)
Note: At present, there are 28 listed stocks on GEM, with stock codes ranging from 30000 1 to 300028.