/usr/lib/X11/fonts/
you can copy ttf fonts from windows to /usr/lib/X11/fonts/truetype
and rename *.ttc to *.ttf( note: chmod to 644 ), and run
/sbin/conf.d/SuSEconfig.fonts, you can select SimSun from
Control Center in KDE.
note: if you locale is not GB2312, set in .bashrc like this:
export LANG="zh_CN.GB2312"
export LC_CTYPE="zh_CN.GB2312"
export LC_NUMERIC="OSIX"
export LC_TIME="OSIX"
export LC_COLLATE="OSIX"
export LC_MONETARY="OSIX"
export LC_MESSAGES="OSIX"
export LC_PAPER="OSIX"
export LC_NAME="OSIX"
export LC_ADDRESS="OSIX"
export LC_TELEPHONE="OSIX"
export LC_MEASUREMENT="OSIX"
export LC_IDENTIFICATION="POSIX"
export LC_ALL=