  The mean white dwarf (WD) mass in the Galactic bulge cataclysmic variables
(CVs) was measured by applying the the shock temperature-WD mass correlation of
magnetic cataclysmic variables (mCVs) to the Galactic Bulge X-ray Emission
(GBXE) spectra. However, the resulting mean WD mass is lower than that of the
local CVs. This discrepancy could be explained by the dominating sources in the
GBXE are non-mCVs instead of mCVs. In this work, we conduct an thorough
investigation on the X-ray spectra of local DNe from \suzaku\ archives, and
derive semi-empirical correlations between the shock temperature $T_{\rm max}$,
the flux ratio of \fec\ to \feb\ lines, and WD mass for quiescent, non-magnetic
CVs. By applying these correlations to the GBXE, we derive the average WD mass
of CVs in the Galactic bulge to be $0.81\pm 0.07M_\odot$. This value is
consistent with previous optical measurements of WD mass in local CVs.
