The problem with having good serves is that your opponent eventually gets used to them - especially your teammate.
Not saying this happens here - just pointing it out.
All livestreams here:
https://www.ettu.tv/en-int/page/home-ettu
Felix Lebrun vs 19 y old German Bertelsmeier here:
https://www.ettu.tv/en-int/livestream/table-3-linz/1802780
I just googled, and appareantly Fang Bo is also slightly larger than usual, in that case Pro 05 is slightly smaller than both - but still the "normal" size that BTY uses.