1. Report Industry Investment Rating - Not provided in the given content 2. Core Views - In July, influenced by macro - policies such as "anti - involution and elimination of backward production capacity", black - series coking coal and coke led the rise. Stable - economy policies from meetings boosted the polyolefin futures. After the digestion of positive factors, prices returned to fundamental trading. With multiple new plants coming into operation in July and more to come, the supply - side pressure is high. Currently in the maintenance season, the pressure from new capacity expansion is temporarily offset. OPEC+ production - increase plans dragged down oil prices, weakening cost - side support. Downstream demand is in the seasonal off - season, with limited highlights expected. Mid - and upstream inventories are slowly decreasing, but the total inventory is higher compared to the same period [1][2]. - Domestic new plants: Jilin Petrochemical's 400,000 - ton/year HDPE plant and Yulong Petrochemical's 500,000 - ton/year PP plant were successfully put into operation in July. Many other plants are waiting to start production, indicating continuous growth in domestic polyolefin new - plant capacity. For domestic existing plants, PE maintenance losses are at a high level year - on - year, some PDH plants have restarted, and PDH - made PP plant maintenance has decreased. Overseas, no new plants were put into operation in July, and overseas under - construction plants face many uncertainties and delays may be common. Overseas PE and PP operating rates have decreased slightly. The LLDPE import window is closed, and China's PE and PP imports are continuously decreasing [2]. - In terms of inventory and demand, downstream demand for polyolefins remains in the seasonal off - season, with factories mainly making rigid purchases. The operating rate of PE's downstream agricultural film has a slight rebound, while the demand for packaging film is weak. The operating rate of PP's downstream woven products fluctuates slightly. The demand side is expected to remain weak. Mid - and upstream polyolefin inventories are slowly decreasing, but the total inventory is higher year - on - year [2]. 3. Strategies - Unilateral: Neutral [3] - Inter - delivery: L09 - L01 reverse spread, PP09 - PP01 reverse spread [3] - Inter - variety: Narrow the spread between PP2601 and 3MA2601 [3] 4. Summary by Relevant Catalogs 4.1 Polyolefin Basis Structure - The report provides charts of the main contract trends, basis, and inter - delivery spreads of LL and PP, including LL North China - main contract basis, L1 - L5, L5 - L9, L9 - L1 for LL, and PP East China - main contract basis, PP1 - PP5, PP5 - PP9, PP9 - PP1 for PP [15]. 4.2 Polyolefin Production Plan - Domestic: Multiple plants have been put into operation in 2025, and many are waiting to start production, such as ExxonMobil Huizhou's 500,000 - ton/year LDPE plant. The total planned production capacity of new domestic plants is large, indicating continuous growth in domestic supply [18][20]. - Overseas: Some plants were put into operation in 2025, and many are in the un - started state. Overseas under - construction plants face many uncertainties, and delays may be common [22]. 4.3 Polyolefin Maintenance Plan - PE: The maintenance season of PE plants has ended, and maintenance losses have increased. The report shows historical maintenance data of PE, oil - based PE, coal - based PE, and alkane - based PE [23][36]. - PP: PP plant maintenance losses fluctuate slightly, and the maintenance volume of PDH - made PP plants is still at a high level [36]. 4.4 Polyolefin Monthly Output - In June, domestic PE output was 2.555 million tons, a decrease of 49,000 tons from May. LLDPE output decreased by 44,000 tons, HDPE increased by 27,000 tons, and LDPE decreased by 33,000 tons. Domestic PP output was 3.165 million tons, a decrease of 14,000 tons from May. PP fiber output increased by 12,000 tons, PP homopolymer decreased by 10,000 tons, and PP copolymer remained unchanged [47]. 4.5 Polyolefin Production Profit and Operating Rate - PE: The production profit of oil - based PE is - 130 yuan/ton, and the operating rate is 90.2%, an increase of 6.3% from last month. With the restart of maintenance plants, the operating rate is expected to increase [62]. - PP: The production profit of oil - based PP is - 522 yuan/ton, and that of PDH - made PP is 394 yuan/ton. The PDH - made PP operating rate is rising. The overall PP operating rate is 83.6%, a decrease of 0.6% from last month [62]. 4.6 Polyolefin Non - standard Price Spread and Operating Ratio - PE: The production ratio of LLDPE and HDPE has decreased, while that of LDPE has increased. The operating ratio of LLDPE, HDPE, and LDPE has changed accordingly. The non - standard price spreads between HD injection - LL and LDPE - LLDPE have different trends [69]. - PP: The production ratios of PP fiber and PP copolymer injection have decreased, while that of PP non - standard homopolymer injection has increased. The operating ratios of different PP products have also changed, and the non - standard price spread between PP low - melt copolymer and PP fiber has declined [69]. 4.7 Polyolefin Outer - market Price Spread and Import - Export Profit - LL: The import profit in East China is - 26 yuan/ton, and the export profit is - 69 US dollars/ton. The import window is closed, and China's PE imports are decreasing [85]. - PP: The import profit of PP fiber in East China is - 445 yuan/ton, and the export profit is - 26 US dollars/ton. China's PP imports and exports have decreased [85]. 4.8 Polyolefin Downstream Operating Rate and Downstream Profit - PE: The operating rate of PE's downstream agricultural film is 27%, an increase of 10% from last month. The operating rate of PE's downstream packaging film is 51%, remaining unchanged from last month [109]. - PP: The operating rate of PP's downstream woven products is 41%, a decrease of 1% from last month. The operating rate of PP's downstream BOPP is 58%, a decrease of 1% from last month. The operating rate of PP's downstream injection molding remains unchanged [109]. 4.9 Polyolefin Downstream Inventory and Order Situation - PE: The raw - material inventory days of PE's downstream agricultural film are 8.1 days, remaining unchanged from last month. The order days are 2.8 days, a decrease of 0.1 days from last month. The raw - material inventory days of PE's downstream packaging film are 7.2 days, an increase of 0.1 days from last month. The order days are 8.1 days, an increase of 0.2 days from last month [115]. - PP: The raw - material inventory days of PP's downstream BOPP are 9.1 days, a decrease of 0.4 days from last month. The finished - product inventory days are 10.6 days, a decrease of 0.2 days from last month. The order days are 8.7 days, a decrease of 0.3 days from last month. The raw - material inventory days of PP's downstream woven products are 6.7 days, a decrease of 0.6 days from last month. The finished - product inventory days are 6.1 days, a decrease of 0.3 days from last month. The order days are 6.9 days, a decrease of 0.6 days from last month [115]. 4.10 Polyolefin Actual Inventory - The upstream petrochemical inventory is 750,000 tons, an increase of 30,000 tons from last month. As the downstream is still in the off - season in August, the inventory is expected to increase slightly [130].