Investment Rating - The report maintains an "Accumulate" rating for the gas industry [1] Core Insights - The report highlights that the U.S. gas prices have decreased due to sufficient inventory, while European and Chinese gas prices remain stable [4][9] - It emphasizes the gradual progress of price alignment in the domestic market, which is expected to enhance profitability and valuation recovery for city gas companies [36] Price Tracking - As of September 12, 2025, U.S. HH gas prices decreased by 4.8%, while European TTF prices increased by 2.6%. The prices for East Asia JKM, Chinese LNG ex-factory, and Chinese LNG landed prices changed by +0.5%, -0.6%, and -1.4% respectively [4][9][10] - The average total supply of natural gas in the U.S. decreased by 0.1% week-on-week to 1,123 billion cubic feet per day, while total demand decreased by 0.4% to 995 billion cubic feet per day [14] Supply and Demand Analysis - U.S. natural gas consumption in the residential and commercial sectors increased by 16.5% week-on-week, while industrial consumption rose by 0.8% [14] - In Europe, natural gas consumption from January to May 2025 was 2,180 billion cubic meters, a year-on-year increase of 6.6% [16] - China's apparent natural gas consumption from January to July 2025 was 2,461 billion cubic meters, a year-on-year increase of 0.3% [21] Price Adjustment Progress - Nationwide, 65% of cities have implemented residential price adjustments, with an average increase of 0.21 yuan per cubic meter [36] - The report indicates that there is still a 10% room for price gap recovery in the city gas sector [36] Investment Recommendations - The report recommends focusing on companies with cost optimization and supply flexibility, such as Xin'ao Energy, China Resources Gas, and Kunlun Energy, among others [4][36] - It suggests paying attention to companies with quality long-term contracts and cost advantages, such as Jiufeng Energy and Xin'ao Shares [4][36] Important Announcements - The U.S. gas import tariff has been reduced from 140% to 25%, improving the economic feasibility of U.S. gas imports [42] - The European Parliament has agreed to provide greater flexibility regarding natural gas storage targets, allowing for a deviation of 10 percentage points from the 90% storage target [48]

Investment Rating - The report maintains an "Overweight" rating for the non-ferrous metals sector [1]. Core Views - The non-ferrous metals sector has shown a weekly increase of 3.76%, ranking it among the top sectors [15]. - Precious metals are expected to benefit from the ongoing inflation trend and a weakening labor market, with the Federal Reserve's interest rate cuts continuing [4][46]. - The market is beginning to price in the liquidity easing from the anticipated Federal Reserve rate cuts, leading to a slight improvement in downstream demand as the peak season approaches [1][2]. Summary by Sections Market Review - The non-ferrous metals sector outperformed the Shanghai Composite Index by 2.24 percentage points, with significant gains across all sub-sectors [15]. - Precious metals saw a 5.13% increase, energy metals rose by 1.35%, industrial metals increased by 4.10%, small metals by 4.39%, and new materials by 2.45% [15]. Industrial Metals - **Copper**: As of September 12, LME copper closed at $10,068 per ton, up 1.72% week-on-week, while SHFE copper was at ¥81,060 per ton, up 1.15% [2]. Supply tightness is expected due to large-scale maintenance in domestic smelting plants [2][32]. - **Aluminum**: LME aluminum closed at $2,701 per ton, up 3.78%, and SHFE aluminum at ¥21,120 per ton, up 2.05% [3]. The theoretical operating capacity of China's electrolytic aluminum industry remains stable at 44.085 million tons [38]. - **Zinc**: LME zinc closed at $2,956 per ton, up 3.45%, while SHFE zinc was at ¥22,305 per ton, up 0.68% [40]. Inventory levels showed mixed trends, with LME stocks decreasing and SHFE stocks increasing [40]. - **Tin**: LME tin closed at $34,955 per ton, up 2.07%, and SHFE tin at ¥273,950 per ton, up 0.55% [43]. Supply recovery from Myanmar is slower than expected [43]. Precious Metals - **Gold**: COMEX gold closed at $3,680.70 per ounce, up 1.12%, and SHFE gold at ¥834.22 per gram, up 2.28% [4][46]. The inflation trend continues to rise while labor market data shows weakness, supporting the outlook for gold [4][47].

Investment Rating - The report maintains a positive outlook on the automotive sector, suggesting an increase in allocation towards automotive dividend style configurations in the second half of 2025 [4]. Core Insights - The automotive industry is at a crossroads, with the end of the electric vehicle (EV) dividend phase and the dawn of automotive intelligence. The report suggests that structural opportunities may arise similar to previous transitions in 2011 and 2018 [4]. - The report emphasizes the importance of domestic consumption expansion and quality improvement in the automotive sector, as outlined in the "Automotive Industry Stabilization and Growth Work Plan (2025-2026)" issued by eight government departments [51]. - The report forecasts a total vehicle sales target of approximately 32.3 million units for 2025, with a year-on-year growth of about 3%, and expects new energy vehicle sales to reach around 15.5 million units, growing by approximately 20% [51][52]. Summary by Sections Weekly Review - In the first week of September, the total number of compulsory insurance for passenger vehicles was 360,000 units, reflecting a week-on-week decrease of 30.0% [50]. - The report highlights the performance of various segments, with commercial trucks showing the best performance at +4.2%, while passenger vehicles declined by -1.8% [3]. Market Performance - The automotive sector ranked 15th in A-shares and 21st in Hong Kong stocks for the week, indicating a relatively average performance compared to other sectors [8][10]. - The report notes that the overall price-to-earnings (P/E) ratio for the automotive sector has decreased, with specific segments like passenger vehicles trading at 0.94 times the P/E of parts [36][43]. Industry Trends - The report identifies key changes in the industry, including new model announcements and strategic partnerships aimed at accelerating the commercialization of autonomous vehicles [3]. - The report anticipates a significant increase in the penetration of L3 and L2+ intelligent driving technologies by 2025, driven by major players like Tesla and Huawei [55][56]. Investment Recommendations - The report recommends focusing on dividend and quality configurations in segments such as buses, heavy trucks, and two-wheelers, as well as selecting stocks in the AI and robotics sectors [4]. - Specific stocks highlighted for potential investment include Yutong Bus, China National Heavy Duty Truck, and various parts manufacturers [4].

Macro Strategy - The core viewpoint indicates that the recent cooling of U.S. employment data makes a rate cut in September almost certain, with expectations of a 25bps cut and potential for 1-2 additional cuts throughout the year [1][14][18] - The U.S. non-farm payrolls for August showed an increase of only 22,000, significantly below the expected 75,000, indicating a weakening labor market [1][18] - The unemployment rate rose to 4.324%, slightly above expectations, highlighting a trend of weakening labor demand [1][18] Fixed Income - In the week of September 1-5, 19 green bonds were issued in the interbank and exchange markets, totaling approximately 8.767 billion yuan, an increase of 1.651 billion yuan from the previous week [2] - The secondary market saw a total trading volume of green bonds amounting to 48.2 billion yuan, a decrease of 4 billion yuan from the previous week [2] Industry Analysis - The domestic aluminum electrolytic capacitor industry is experiencing stable growth, with a focus on supercapacitors expected to drive a second growth curve for Jianghai Co., Ltd. [10] - Jianghai Co., Ltd. is positioned as a leader in the supercapacitor market, with a compound annual growth rate of 23.9% in the domestic market from 2017 to 2023 [10] - The report highlights the potential for significant growth in the supercapacitor business, particularly in AI computing applications, as the company collaborates with multiple AI clients [10] Company Recommendations - Yapu Co., Ltd. is expected to see revenue growth from 9.123 billion yuan in 2025 to 10.961 billion yuan in 2027, with a corresponding net profit increase from 575 million yuan to 756 million yuan [9] - Jianghai Co., Ltd. is projected to achieve revenues of 4.565 billion yuan in 2025, growing to 5.770 billion yuan by 2027, with net profits expected to rise from 791 million yuan to 1.025 billion yuan [13] - China Pacific Insurance is maintaining a positive outlook with projected net profits of 51.6 billion yuan in 2025, increasing to 55.3 billion yuan by 2027 [12]

Investment Rating - The report maintains an "Overweight" rating for the construction decoration industry [1] Core Viewpoints - The construction decoration industry continues to face pressure on revenue and profits, with cash flow showing some improvement. The overall industry remains weak, with the construction PMI falling into contraction territory in August. However, there is potential for support from government debt financing and fiscal policies [2][11] - The report highlights the growth in overseas engineering contracts, particularly in countries involved in the Belt and Road Initiative, with a 21% year-on-year increase in new contracts signed in these regions [3][12] - New business opportunities are emerging in the semiconductor cleanroom sector, driven by increased capital expenditure from international semiconductor giants and cloud service providers [3][12] Summary by Sections Industry Viewpoints - The report discusses the ongoing efforts by the Ministry of Finance to address hidden debts, with over 60% of financing platforms having exited by mid-2025. This is expected to provide some support for government debt financing [2][11] - The construction sector's performance remains under pressure, with weak demand reflected in low new order indices and a slowdown in construction activity [2][11] Industry Dynamics Tracking - Recent government measures aim to promote private investment in new infrastructure and emerging services, which could enhance the stability of the construction investment chain [14][15] - The report notes significant developments in the Belt and Road Initiative, including various projects and trade agreements that could benefit the construction sector [18][19] Weekly Market Review - The construction decoration sector saw a weekly increase of 2.42%, outperforming the Shanghai Composite and Wind All A indices [20] - Notable stock performances include East Pearl Ecology and Tianyu Ecology, which led the gains, while ST Lingnan and Zhite New Materials faced declines [22][23]

Group 1: Report Industry Investment Rating - No relevant content provided Group 2: Core Views of the Report - The convertible bond market was mainly volatile this week (0908 - 0912), with valuations hovering at high levels. High - priced bonds were better than medium - priced ones, and medium - priced were better than low - priced. Small - cap bonds were better than mid - cap ones, and mid - cap were better than large - cap [1][35] - The opportunities in the current convertible bond market are highly structured, rooted in the highly structured equity market. The technology - themed (core is AI computing power) market has not effectively driven the rotation and supplementary rise of the cyclical sectors due to the relatively lagging marginal improvement of the overall economic fundamentals [1][35] - The market index may show a pattern of grinding at the top and oscillating. The CSI Convertible Bond Index has risen by more than 30% since the low in August 2024, and the parity premium rate has increased by about 8 - 12 pct during the same period. In the short term, the rise of medium - and low - priced cyclical targets is slow and the elasticity is low, and the strong redemption demand of high - priced thematic targets will suppress the further rise of the index. In the long term, the index's oscillation center may move up [1][36] - In the short - term strategy, it is still not recommended to significantly reduce positions, but the structure needs to be adjusted. Reduce high - volatility technology - themed targets and increase the proportion of balanced targets to control drawdowns, and increase the allocation proportion of cyclical sectors such as non - ferrous metals, lithium batteries, and chemicals in the medium - and low - price ranges [1][36] Group 3: Summary According to the Directory 1. Week - on - Week Market Review 1.1 Equity Market Overall Rise, Most Industries Rise - From September 8th to September 12th, the equity market overall rose. The Shanghai Composite Index rose 1.52%, the Shenzhen Component Index rose 2.65%, the ChiNext Index rose 2.10%, and the CSI 300 rose 1.38%. The average daily trading volume of the two markets decreased by about 2708.96 billion yuan to 22986.80 billion yuan compared with last week, a week - on - week decrease of 10.54% [6][9] - Among the 31 Shenwan primary industries, 25 industries closed up, with 11 industries rising more than 2%. Electronics, agriculture, forestry, animal husbandry and fishery, media, non - ferrous metals, and steel led the gains, rising 6.15%, 4.81%, 4.27%, 3.76%, and 3.72% respectively. Banking, petroleum and petrochemicals, pharmaceutical biology, social services, and household appliances led the losses [13] 1.2 Convertible Bond Market Overall Rise, Some Industries Rise - From September 8th to September 12th, the CSI Convertible Bond Index rose 0.43%. Among the 29 Shenwan primary industries, 13 industries closed up, with 3 industries rising more than 2%. Food and beverage, non - ferrous metals, electronics, communications, and agriculture, forestry, animal husbandry and fishery led the gains, rising 5.78%, 3.12%, 2.52%, 1.72%, and 1.51% respectively. Media, petroleum and petrochemicals, non - bank finance, household appliances, and banking led the losses [15] - The average daily trading volume of the convertible bond market this week was 869.91 billion yuan, a significant reduction of 59.05 billion yuan, a week - on - week change of - 6.36%. The top ten convertible bonds in terms of trading volume had an average trading volume of 102.49 billion yuan, and the first - ranked one reached 174.00 billion yuan. About 53.29% of individual bonds rose, about 25.17% of individual bonds rose in the 0 - 1% range, and 18.14% of individual bonds rose more than 2% [15] - The overall market conversion premium rate continued to decline this week, with an average daily conversion premium rate of 36.11%, a decrease of 0.59 pct compared with last week. In terms of price ranges, except for bonds below 90 yuan, the average daily conversion premium rates of bonds in other price ranges widened. In terms of parity ranges, the situation was similar [21] - 20 industries' conversion premium rates widened, with 9 industries widening by more than 2 pcts. Household appliances, media, petroleum and petrochemicals, national defense and military industry, and pharmaceutical biology led the widening. 23 industries' parity increased, with 17 industries increasing by more than 2% [25][29] 1.3 Comparison of Stock and Bond Market Sentiments - This week, the weekly weighted average and median of the convertible bond and underlying stock markets were positive, and the underlying stocks had a larger weekly increase. The trading volume of the underlying stock market increased more significantly and was at a higher quantile level. More underlying stocks closed up, and the individual underlying stocks could achieve higher returns. Overall, the trading sentiment of the underlying stock market was better this week [32] - On different trading days, the trading sentiment of the underlying stock market was better on Monday, Tuesday, and Wednesday, while the trading sentiment of the convertible bond market was better on Thursday and Friday [33] 2. Outlook and Investment Strategy - The convertible bond market may show a pattern of grinding at the top and oscillating in the short term, and the oscillation center may move up in the long term [1][36] - In the short - term strategy, do not significantly reduce positions, but adjust the structure. Reduce high - volatility technology - themed targets and increase the proportion of balanced targets and the allocation of cyclical sectors in the medium - and low - price ranges [1][36] - The top ten convertible bonds with the highest predicted downward - revision probability next week are Lanfan Convertible Bond, Dongshi Convertible Bond, Baolai Convertible Bond, etc. The top ten high - rated, medium - and low - priced convertible bonds with the greatest potential for parity premium rate repair next week are Pufa Convertible Bond, Fenghuo Convertible Bond, Jinneng Convertible Bond, etc. [1][36]

Investment Rating - The report maintains an "Accumulate" rating for the pharmaceutical and biotechnology industry [1] Core Insights - The 2025 World Conference on Lung Cancer (WCLC) highlighted the promising clinical data of domestic lung cancer drugs, particularly the innovative drug iza-bren developed by BaiLi Tianheng, which demonstrated a 100% objective response rate (ORR) in first-line patients with EGFR mutation non-small cell lung cancer (NSCLC) [2][17] - The report suggests a favorable outlook for the pharmaceutical sector, particularly in innovative drugs, research services, and CXO [3][12] Summary by Sections Industry Performance - The A-share pharmaceutical index has seen a year-to-date increase of 26.8%, while the Hang Seng Biotechnology Index has surged by 103.3% [11] - Notable stock performances include Zhend Medical (+41.3%) and Haooubo (+28.0%), while Yuekang Pharmaceutical (-18.4%) and Maiwei Biological (-14.4%) faced significant declines [11] New Drug Developments - Novartis' lung cancer drug, Capmatinib, received approval for a new indication in China, and Johnson & Johnson initiated a Phase III clinical trial for its KLK2/CD3 dual antibody [2] - BaiLi Tianheng's iza-bren showed a 100% ORR in a Phase II study for EGFR mutation NSCLC, with a median progression-free survival (mPFS) of 12.5 months [17][21] Investment Recommendations - The report ranks preferred sub-sectors as follows: innovative drugs > research services > CXO > traditional Chinese medicine > medical devices > pharmacies [3][12] - Specific companies to watch include: - From GLP-1 perspective: BoRui Pharmaceutical, GeLi Pharmaceutical, and XinDa Biologics - From PD-1/VEGF dual antibody perspective: Kangfang Biologics and Shenzhou Cell - From AI drug development perspective: JingTai Holdings and Chengdu XianDao [3][12] Clinical Research Updates - The HARMONi study by Kangfang Biologics showed improved overall survival (OS) with a hazard ratio (HR) of 0.78, indicating a significant benefit for patients, especially in North America [25] - The report emphasizes the ongoing clinical trials for innovative drugs, including the registration Phase III study for iza-bren [20][24]

1. Report Industry Investment Rating No industry investment rating information is provided in the report. 2. Core Viewpoints The report presents a weekly analysis of the large refining and chemical industry, highlighting that the cost - end support is weak, and filament prices are under pressure. It provides detailed data on various segments such as refining, polyester, and chemicals, as well as the performance of related listed companies [1][3]. 3. Summary According to Relevant Catalogs 3.1 Big Refining Weekly Data Briefing - **6 Major Private Refining Companies' Performance** - **Stock Price Changes**: As of September 12, 2025, the stock prices of private refining companies showed different trends. For example, New Fengming had a weekly increase of 7.1%, while Hengli Petrochemical had a weekly decrease of 1.4% [9]. - **Earnings Forecast**: The report provides the net profit forecasts of these companies from 2024 to 2027. For instance, the expected net profit of Rongsheng Petrochemical in 2025 is 2.616 billion yuan [9]. - **Oil Prices and Refining Spreads** - **International Crude Oil**: The average price of Brent crude oil this week was 66.5 dollars/barrel, a decrease of 1.2 dollars/barrel (-1.8%) compared to last week, and a year - on - year decrease of 6.6%. The average price of WTI crude oil was 62.6 dollars/barrel, a decrease of 1.5 dollars/barrel (-2.4%) compared to last week, and a year - on - year decrease of 7.9% [9]. - **Refining Spreads**: The spread of domestic key large refining projects this week was 2,579.4 yuan/ton, a week - on - week increase of 96.5 yuan/ton (+3.9%); the spread of foreign key large refining projects was 1,197.0 yuan/ton, a week - on - week increase of 62.6 yuan/ton (+5.5%) [9]. - **Polyester Sector** - **Product Prices and Profits**: The average prices of POY, FDY, and DTY this week were 6,789.3 yuan/ton, 7,078.6 yuan/ton, and 8,021.4 yuan/ton respectively, with week - on - week decreases of 82.1 yuan/ton, 67.9 yuan/ton, and 28.6 yuan/ton. The weekly average profits of POY, FDY, and DTY were 107.8 yuan/ton, 34.3 yuan/ton, and 62.8 yuan/ton respectively, with week - on - week changes of - 4.5 yuan/ton, +5.0 yuan/ton, and +31.0 yuan/ton [10]. - **Inventory and Operating Rates**: The inventories of POY, FDY, and DTY were 19.3 days, 27.6 days, and 31.1 days respectively, with week - on - week increases of 1.9 days, 1.2 days, and 1.4 days. The operating rate of filament was 91.3%, a week - on - week decrease of 0.2 pct [10]. - **Refining Sector** - **Domestic Refined Oil**: This week, the prices of domestic gasoline and diesel decreased [3]. - **US Refined Oil**: This week, the prices of US gasoline, diesel, and jet fuel decreased [3]. - **Chemical Sector** - **PX**: The average price of PX this week was 835.6 dollars/ton, a week - on - week decrease of 7.0 dollars/ton. The spread between PX and crude oil was 350.3 dollars/ton, a week - on - week increase of 1.7 dollars/ton. The operating rate of PX was 85.9%, a week - on - week increase of 1.2 pct [3]. 3.2 Big Refining Weekly Report - **Big Refining Index and Project Spread Trends** - **Market Performance of Six Private Big Refining Companies**: The report presents the market performance trends of six private big refining companies from 2020 to 2025, including Hengli Petrochemical, Rongsheng Petrochemical, etc. [16][17] - **Refining Spreads and Oil Prices**: It shows the historical trends of domestic and foreign big refining project spreads and Brent oil prices from 2020 to 2025 [20][22] - **Polyester Sector** - **Raw Material and Product Prices**: It presents the price trends of crude oil, PX, PTA, MEG, etc., as well as the price and profit trends of various polyester products such as POY, FDY, DTY, polyester staple fiber, and polyester bottle chips from 2020 to 2025 [24][26][38] - **Operating Rates and Inventories**: It shows the operating rate trends of PX, PTA, MEG, filament, and polyester staple fiber from 2020 to 2025, as well as the inventory trends of PTA, filament, and polyester staple fiber [33][56][76] - **Sales and Production Rates**: It presents the sales and production rate trends of filament and polyester staple fiber in the Jiangsu - Zhejiang region from 2020 to 2025 [49][72] - **Refining Sector** - **Domestic Refined Oil**: It shows the price trends of domestic gasoline, diesel, and jet fuel and their spreads with crude oil from 2020 to 2025 [85][94] - **US Refined Oil**: It shows the price trends of US gasoline, diesel, and jet fuel and their spreads with crude oil from 2020 to 2025 [99][107] - **European Refined Oil**: It shows the price trends of European gasoline, diesel, and jet fuel and their spreads with crude oil from 2020 to 2025 [112][121] - **Singapore Refined Oil**: It shows the price trends of Singapore gasoline, diesel, and jet fuel and their spreads with crude oil from 2020 to 2025 [126][134] - **Chemical Sector** - **Chemical Product Prices**: It shows the price trends of various chemical products such as polyethylene LLDPE, homopolymerized polypropylene, EVA, styrene, acrylonitrile, PC, MMA, etc., and their spreads with crude oil from 2020 to 2025 [140][148]

Economic Indicators - The weekly ECI supply index is at 50.04%, up 0.01 percentage points from last week, while the demand index is at 49.91%, also up 0.01 percentage points[6] - The monthly ECI supply index decreased by 0.03 percentage points from August, while the demand index increased by 0.01 percentage points[7] - The construction sector shows improvement with a significant increase in infrastructure workload in early September, with a year-on-year improvement in construction activity[6] Market Trends - The ELI index remains stable at -0.69%, indicating rising market expectations for the resumption of government bond trading[11] - Despite seasonal recovery in August financial data, new loan demand remains weak, posing risks to social financing growth and M2 supply[14] - The real estate market shows signs of recovery, with a 6.8% increase in transaction area in major cities compared to a -9.9% decline in August[6] Consumer Behavior - Passenger car retail sales in early September show a decline of 10.0% year-on-year, with average daily sales recorded at 43,483 units[21] - The consumer price index for key monitored vegetables is at 5.11 yuan/kg, reflecting a slight increase[38] Investment Insights - The operating rate for asphalt plants increased by 6.80 percentage points to 34.90%, indicating a recovery in infrastructure investment[26] - The average price of ordinary Portland cement is recorded at 272.80 yuan/ton, showing a slight increase[27] Export Performance - The export growth rate for South Korea in early September is at 3.80%, recovering from a previous decline[32] - The Shanghai export container freight index decreased to 1398.11 points, down 46.33 points from the previous week[33] Monetary Policy - The central bank conducted a net monetary injection of 196.1 billion yuan this week, with a total reverse repurchase operation of 1.2645 trillion yuan[41] - The 10-year government bond yield increased slightly to 1.8650% from 1.8466% at the beginning of the week[41] Risk Factors - Uncertainties remain regarding U.S. tariff policies and the sustainability of real estate market improvements[48]

Report Investment Rating - There is no information about the industry investment rating in the report. Core Viewpoints - This week, the average prices and gross profits of pure MDI, polymeric MDI, and TDI in the polyurethane sector decreased compared to the previous week [2]. - In the oil, gas, and olefin sector, the average prices of ethane, propane, and naphtha increased slightly, while the average prices of polyethylene and polypropylene decreased. The theoretical profits of various production processes also decreased [2]. - In the coal chemical sector, the average prices of synthetic ammonia, urea, and DMF decreased, while the average price of acetic acid increased. The gross profits of these products also showed corresponding changes [2]. Summary by Directory 1. Basic Chemical Weekly Data Briefing - **Related Company Performance Tracking** - The Basic Chemical Index rose by 2.4% in the past week, 6.1% in the past month, 17.5% in the past three months, 50.4% in the past year, and 25.1% since the beginning of 2025 [8]. - Among the related companies, Wanhua Chemical rose by 2.9% in the past week, Baofeng Energy fell by 0.7%, Satellite Chemical rose by 0.6%, Huaxin Chemical rose by 0.5%, and New Hope Liuhe rose by 4.7% [8]. - The report also provides the total market value, net profit attributable to the parent company, PE, and PB of these companies [8]. - **Polyurethane Industry Chain** - The average prices of pure MDI, polymeric MDI, and TDI were 17,779 yuan/ton, 14,929 yuan/ton, and 13,585 yuan/ton respectively, with week-on-week decreases of 71 yuan/ton, 143 yuan/ton, and 702 yuan/ton respectively [2][8]. - The gross profits of pure MDI, polymeric MDI, and TDI were 4,533 yuan/ton, 2,683 yuan/ton, and 2,716 yuan/ton respectively, with week-on-week decreases of 51 yuan/ton, 122 yuan/ton, and 220 yuan/ton respectively [2][8]. - **Oil, Gas, and Olefin Industry Chain** - The average prices of ethane, propane, and naphtha were 1,302 yuan/ton, 4,259 yuan/ton, and 4,266 yuan/ton respectively, with week-on-week increases of 8 yuan/ton, 12 yuan/ton, and 15 yuan/ton respectively [2][8]. - The average price of polyethylene was 7,707 yuan/ton, a week-on-week decrease of 61 yuan/ton. The theoretical profits of ethane cracking, CTO, and naphtha cracking to produce polyethylene were 1,122 yuan/ton, 1,866 yuan/ton, and -125 yuan/ton respectively, with week-on-week decreases of 57 yuan/ton, 40 yuan/ton, and 46 yuan/ton respectively [2]. - The average price of polypropylene was 6,800 yuan/ton, a week-on-week decrease of 50 yuan/ton. The theoretical profits of PDH, CTO, and naphtha cracking to produce polypropylene were -330 yuan/ton, 1,463 yuan/ton, and -352 yuan/ton respectively, with week-on-week decreases of 37 yuan/ton, 33 yuan/ton, and 40 yuan/ton respectively [2]. - **Coal Chemical Industry Chain** - The average prices of synthetic ammonia, urea, DMF, and acetic acid were 2,129 yuan/ton, 1,707 yuan/ton, 3,982 yuan/ton, and 2,287 yuan/ton respectively, with week-on-week changes of -10 yuan/ton, -25 yuan/ton, -154 yuan/ton, and +48 yuan/ton respectively [2]. - The gross profits of synthetic ammonia, urea, DMF, and acetic acid were 179 yuan/ton, 13 yuan/ton, -193 yuan/ton, and 25 yuan/ton respectively, with week-on-week changes of -9 yuan/ton, -31 yuan/ton, -90 yuan/ton, and +5 yuan/ton respectively [2]. 2. Basic Chemical Weekly Report - **Basic Chemical Index Trend** - There is no specific content about the basic chemical index trend in the provided text. - **Polyurethane Sector** - The average prices and gross profits of pure MDI, polymeric MDI, and TDI decreased this week [2]. - **Oil, Gas, and Olefin Sector** - The prices of raw materials such as ethane, propane, and naphtha changed slightly, while the prices of polyethylene and polypropylene decreased. The profits of various production processes also decreased [2]. - **Coal Chemical Sector** - The prices and gross profits of coal chemical products such as synthetic ammonia, urea, and DMF showed different degrees of change [2].