The two works on Chinese swords that Philip wrote reference Chinese blades with fullering influenced by Persian and Central Asian motifs, particularly the L-shape near the ricasso.
The links are attached.
http://www.mandarinmansion.com/publications
First article on sabres in the Met, pg 210.
Second article pg 5, where you can a see a Chinese saber with very similar but much finer fullering work.
Best
LL