Group 1 - The core viewpoint is that tax revenue in China is directly influenced by the Producer Price Index (PPI), with tax income showing a consistent increase in scale and optimization in structure during the "14th Five-Year Plan" period [1][2] - The manufacturing sector remains the largest contributor to tax revenue, maintaining around 30% of the total, indicating its stabilizing role in the economy [1] - The fastest growth in tax revenue comes from modern service industries such as information software and technology services, with their share expected to increase by 1.6 percentage points from 2020 to 2024 [1] Group 2 - Direct taxes now account for over 40% of total tax revenue, reflecting an increase of 1 percentage point compared to the "13th Five-Year Plan" period, indicating enhanced redistributive functions of the tax system [1] - Economic factors such as tax cuts and fee reductions have a significant impact on tax revenue, with recent reductions stimulating economic growth but potentially decreasing current tax income [2] - Structural changes in the economy, particularly the decline in traditional industries like real estate, have led to slower tax revenue growth, while emerging sectors, although growing, currently contribute less to overall tax revenue [2]