The font is built to support a massive range of characters necessary for East Asian typography: Songti (Song-style serif).
. In professional design environments, this name usually refers to FZXiBiaoSongJW (方正细标宋简体)
RUC-thesis-template-for-LaTeX/ructhesis.cls at master · leftrk/RUC-thesis-template-for-LaTeX · GitHub. GitHub
No one knows who designed Fzxbsjw--gb1-0. The metadata is blank. The original archive appeared on a now-defunct typography forum in 2018, uploaded by a user named "xiao_li_ghost" who never posted again. The font carries no copyright notice, no foundry mark, and no standard glyph table.