China's National Bureau of Statistics is due to release August industrial production, retail sales and fixed asset investment data at 0200 GMT on Tuesday, September 15, offering the next read on whether Beijing's economy is stabilising or losing further ground.Economists polled ahead of the release expect industrial output to rise 4.8% year on year, a rebound from July's 4.5% print, which itself undershot the same 4.8% forecast and slowed from June's 5.3% pace. Retail sales are expected to rise 0.8% year on year, up from July's 0.6% increase, which had missed a Reuters poll estimate of 1.5% and slowed from June's 1% growth. Some research notes are more cautious on consumption, forecasting retail sales growth unchanged at around 0.6% year on year, citing persistent weakness in goods demand even as services spending, particularly in leisure, entertainment and tourism, remains comparatively firm.Fixed asset investment is expected to worsen further, with year-to-date growth forecast at around minus 7.2% year on year, down from minus 6.7% in the seven months to July. The investment contraction has been driven in large part by a deepening property downturn, alongside softer private and infrastructure spending, even as authorities have widened interest-subsidy programs and begun channelling funds through a policy-backed financing facility to support local government projects.The data lands at a sensitive moment for policymakers. Following July's across-the-board miss, several analysts have framed the August print as a test of whether Beijing needs to step up stimulus, with a further soft reading likely to intensify calls for more forceful fiscal support. Officials have so far emphasised executing existing measures rather than announcing new ones, and it remains to be seen whether another weak set of numbers changes that calculus.The figures will be watched closely by Asian equity and currency markets, given China's role as a regional growth barometer, though initial reaction is likely to hinge on the retail sales print given the sharper recent divergence between forecasts and outcomes on that measure. This article was written by Eamonn Sheridan at investinglive.com.