Group 1: Year-on-Year Changes in Industrial Producer Prices - In July, the prices of production materials decreased by 4.3%, contributing approximately 3.20 percentage points to the overall decline in industrial producer prices [2] - The mining industry saw a significant price drop of 14.0%, while raw materials and processing industries experienced declines of 5.4% and 3.1%, respectively [2] - Consumer goods prices fell by 1.6%, with food prices down by 1.8% and durable goods prices down by 3.5% [2] Group 2: Month-on-Month Changes in Industrial Producer Prices - In July, the month-on-month prices of production materials decreased by 0.2%, impacting the overall industrial producer price level by approximately 0.17 percentage points [7] - The mining industry prices decreased by 0.2%, while raw materials and processing industries saw declines of 0.1% and 0.3%, respectively [7] - Consumer goods prices also fell by 0.2%, with food prices remaining stable and durable goods prices decreasing by 0.6% [7] Group 3: Industrial Producer Purchase Prices - The purchase prices for fuel and power decreased by 10.8%, while black metal materials and chemical raw materials saw declines of 8.0% and 6.5%, respectively [6] - Prices for agricultural products decreased by 4.6%, and construction materials and non-metallic materials fell by 3.8% [6] - Prices for non-ferrous metal materials and wires increased by 2.8% [6] Group 4: Key Industry Price Changes - The coal mining and washing industry experienced a price drop of 23.0%, while the oil and natural gas extraction industry saw a decrease of 12.6% [10] - The black metal mining industry prices fell by 9.1%, whereas the non-ferrous metal mining industry prices increased by 11.1% [10] - The food manufacturing industry prices decreased by 1.1%, while the beverage and refined tea manufacturing industry prices remained stable [10]