Chinese characters, graphics (including avatars), foreign languages ??(texts from any country), individually and in random combinations between them can be used as trademarks, and three-dimensional trademarks are more special.
There are also some special ones according to the purpose: collective trademarks (Laoshan green tea, West Lake Longjing, etc.), certification trademarks (halal, green food, etc.), geographical indications (indicating the place of origin, but now most of them are summarized into the certification mark).
This is basically the situation