Seen this advice, posted by Apple Group in Chengdu, in a job ad on dave's esl. I'm HELLA confused!
3) Changing your Visa In-Country It used to be possible to change a tourist or business visa into a work visa in country, which made it a lot less complicated to become employed here. However, this is NO LONGER POSSIBLE and work visas MUST be processed before arriving in China. Do not listen to any offer that tells you to come on a tourist visa and they will change it here, they are either getting you to work on an illegal visa or do not know the new policies and you are the person who will end up paying for it.(saying that, it may also be possible in some cases)