My name is Baoluo, and I live in Zhanjiang city, Guangdong province.
Now unless Wenzhou is considerably more developed or larger than my city,
I think it highly unlikely that you will be able to buy remicade. As other have suggested you may have to travel to Hong Kong, there I am almost 100% sure it will be available as the hospital system is based upon U.K. system and as such a much wider variety of therapies will be available.
In the mainland you could try somewhere like Shanghai or maybe Guangzhou, but I am not sure. Imported drugs are horribly expensive wherever you buy them in the mainland.
In my city only mesalazine and prednisone are available, or of course TCM.
Get back to me here or email if you want to talk.