UC @ Davis? I haven't tried them but they have several root stocks including Fortuniana & lots of clean scion varieties

Here is a link that might be useful: UC Davis

Monahmed,
Cool Roses in Florida sells potted Fortuniana
for budding and grafting. I have not purchased from them. I just remember seeing that they sell the Fortuniana

I tried rooting Fortuniana with no luck. I think it wants to have a humid environment, with barely damp rooting medium... at least that's what I'm going to try next.

Good Luck to You!
Gracin