In Japan and the liquidity trap Noah Smith writes:
…Japan, since its economy experienced a boom in 2002-2006, probably driven by increased trade with China, during which time interest rates and inflation both stayed around zero.
Yes, it did but it was not driven by increased trade with China. It was the only time (prior to Abenomics) that Japan pursued what could be called an expansive monetary policy in the guise of QE. Note that growth was relative strong at the same time that fiscal stimulus was being reduced!