Qi Pei is right that they are a supplier of sorts. They currently only buy hotels and services for IndoChina and some Chinese cities and operate as DMCs in these destinations, their website shows these.
Unless they intend grow into Taiwan, i.e leverage their current Thailand and Indochina corporate clientele and offer them Taiwan as a destination, we should not consider them.
One way is to check with them wh o are their Thai clients they have been sending to China, and if these clients are looking at Taiwan, if yes, who? If they have 2-3 corporate clients who are looking at Taiwan, can invite them and their clients, perhaps?
Thanks!