What are the household holdings of financial products in China?
I do not think there is some dataset that has such an detailed breakdown that you want. However, one of the most widely used datasets on financial assets held by households are the various national surveys including the Survey of Chinese Consumer Finance and Investor Education (SCCFIE), China Household Finance Survey (CHFS), or Chinese Survey of Consumer Finance (CSCF). These datasets might not be directly freely avaiable but if you message the authors in the studies cited below they should provide them for replication purposes unless they happen to be confidential.
All three of the above are widely used in academic literature (just few examples include: Liao, Huang, &amp; Yao (2010), Xie &amp; Jin,(2015) or Chu, Wang, Xiao, &amp; Zhang, (2017)).
These surveys are typically highly detailed but unfortunately won't have everything you cite you would like to see. For example, Liao, Huang, &amp; Yao (2010) based on SCCFIE showed that the financial and non-financial assets were in 2008 distributed in China thusly: