You can get them via anonymous FTP from following sites.
etlport.etl.go.jp: /pub/mule/fonts sh.wide.ad.jp: /JAPAN/mule/fonts
You will find following fonts there.
BIG5.tar.gz -- Big5 encoding 16x15dots font for Chinese Chinese.tar.gz -- 16x16 and 24x24 GB fonts for Chinese CYRILLIC.tar.gz -- KOI encoding fonts for Cyrillic characters ETL.tar.gz -- 14dots, 16dots, and 24dots fonts for ISO8859-1,2,3,4,5,7,8,9 12x24dots fonts for SiSheng 12x29dots fonts for Thai 12x24dots fonts for Vietnamese Japanese.tar.gz -- 14x14, 16x16, 24x24 JIS fonts for Japanese Korean.tar.gz -- 16x16 and 24x24 Korean fonts SISHENG.tar.gz -- 8x18dots and 12x26dots for SiSheng
GB fonts are also included in cxterm which is contributed to X11R5. See the directory
X.V11R5/contrib/client/cxterm/fonts
You will find the following fonts:
cclib16fs.bdf 16x16 Fang Song style, GB encoding cclib16st.bdf 16x16 Song style, GB encoding cclib24st.bdf 24x24 Song style, GB encoding hku-ch16.bdf 16x16 Fang Song style, BIG5 encoding