化工日报 | 2025-12-19 下游轮胎开工率环比下降 市场要闻与数据 期货方面，昨日收盘RU主力合约15320元/吨，较前一日变动-70元/吨；NR主力合约12455元/吨，较前一日变动-115 元/吨；BR主力合约11040元/吨，较前一日变动-120元/吨。 现货方面，云南产全乳胶上海市场价格15000元/吨，较前一日变动-50元/吨。青岛保税区泰混14550元/吨，较前一 日变动-100元/吨。青岛保税区泰国20号标胶1845美元/吨，较前一日变动-5美元/吨。青岛保税区印尼20号标胶1765 美元/吨，较前一日变动-15美元/吨。中石油齐鲁石化BR9000出厂价格10900元/吨，较前一日变动+0元/吨。浙江传 化BR9000市场价10950元/吨，较前一日变动+0元/吨。 市场资讯 2025年11月份，重卡销量11.3万辆，同比大增65%，收获同比"8连增"的同时，还创造了今年重卡市场最高月销量。 据中国汽车工业协会发布的最新数据显示，11月，我国汽车产销量分别完成353.2万辆和342.9万辆，环比分别增长 5.1%和3.2%，同比分别增长2.8%和3.4%。月度产量首次超过350万辆，创历 ...

Group 1: Investment Ratings - Glass: Oscillating weakly [2] - Soda Ash: Oscillating [2] - Ferrosilicon Manganese: Oscillating [3] - Ferrosilicon: Oscillating [3] Group 2: Core Views - The market sentiment is cautious, and steel prices continue to oscillate. The macro - atmosphere for glass and soda ash is warm, with a slight rebound. The consumption of steel products is fair, and ferroalloys have a slight rebound [1][2] Group 3: Market Analysis Glass and Soda Ash - Glass futures oscillated upward with active trading. Spot prices were generally weak, with low - price and rigid - demand purchases. This week, the total inventory of float glass was 58.558 million heavy boxes, a 0.57% week - on - week increase. Glass production is oscillating at a high level, supply contraction is insufficient, and there is still a supply - demand contradiction. Rigid demand lacks improvement and is expected to decline further with the arrival of the off - season. Attention should be paid to cold - repair situations and the impact of macro - policies on speculative demand [1] - Soda ash futures oscillated upward, supported by cost. Spot market quotes were weakly stable, with overall mixed price changes and mainly rigid - demand purchases. This week, soda ash production was 721,400 tons, a 1.9% week - on - week decrease; inventory was 1.4993 million tons, a 0.33% week - on - week increase. Soda ash production is at a relatively high level in the same period, and with the commissioning of new production lines, supply is expected to increase further. Inventory is oscillating at a high level, and considering the expected increase in the cold - repair plan of float glass, the demand for heavy soda ash faces challenges. Attention should be paid to the impact of downstream demand on soda ash prices [1] Double Silicon (Ferrosilicon Manganese and Ferrosilicon) - For ferrosilicon manganese, although it is the off - season, the consumption of building materials is still fair, and ferrosilicon manganese futures oscillated upward. The spot market of ferrosilicon manganese oscillated, with cost - side ore prices remaining firm. The price of 6517 in the northern market was 5,490 - 5,550 yuan/ton, and in the southern market was 5,600 - 5,650 yuan/ton. Currently, ferrosilicon manganese enterprises are in a continuous loss situation, with production and operating rates at relatively low levels. However, the reduction in production is insufficient, resulting in continuously new high enterprise inventories. The inventory of manganese ore at ports has slightly increased, and the total inventory of manganese elements has remained stable, providing cost support for ferrosilicon manganese. Attention should be paid to the cost support of manganese ore and production changes [2] - For ferrosilicon, ferrosilicon futures rose first and then fell. The spot market of ferrosilicon was weak. The ex - factory price of 72 - grade ferrosilicon natural lumps in the main production areas was 5,100 - 5,200 yuan/ton, and the price of 75 - grade ferrosilicon was 5,600 - 5,650 yuan/ton. This week, ferrosilicon production decreased slightly, enterprises remained in a loss situation, actively adjusted the production rhythm, demand declined marginally, and ferrosilicon enterprise inventories were at a high level. High inventories will continue to suppress ferrosilicon prices. Attention should be paid to changes in cost - side coal and electricity prices and regional policies [2]

油料日报 | 2025-12-19 豆一供紧需弱价格持稳，花生预计稳中趋弱 大豆观点 市场分析 期货方面，昨日收盘豆一2601合约4041.00元/吨，较前日变化-49.00元/吨，幅度-1.20%。现货方面，食用豆现货基 差A01+159，较前日变化+49，幅度32.14%。 市场资讯汇总：当前东北地区大豆基层农户手中存粮较少，普遍存在较强的惜售观望情绪，期待价格进一步上涨， 导致市场上实际可流通粮源较为紧张。受此影响，部分大型加工企业收购价格呈现上涨趋势。同时中储粮入市收 购的政策进一步明确了市场价格的底部区间，为大豆价格提供了有力的底部支撑。在上述因素共同作用下，现货 市场行情表现偏强。现货方面：黑龙江哈尔滨市场国标一等蛋白39%蛋白中粒塔粮装车报价2.10元/斤，较前一日 平；黑龙江双鸭山宝清市场国标一等蛋白39%蛋白中粒塔粮装车报价2.05元/斤，较前一日平；黑龙江佳木斯富锦 市场国标一等蛋白39%蛋白中粒塔粮装车报价2.06元/斤，较前一日平；黑龙江齐齐哈尔讷河市场国标一等蛋白41% 蛋白中粒塔粮装车报价2.22元/斤，较前一日平；黑龙江黑河嫩江市场国标一等蛋白41%蛋白中粒塔粮装车报价2.18 ...

1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints - The steel market sentiment is cautious, with steel prices continuing to fluctuate. The iron ore market has iron water production declining, and ore prices maintaining a volatile trend. The double - coke market sentiment is rising, with both futures and spot prices showing a small resonance. The thermal coal spot market maintains a downward trend, and the market sentiment is cautious [1][3][4][6] 3. Summary by Related Catalogs Steel - **Market Analysis**: The main contract of rebar futures closed at 3,125 yuan/ton, and the main contract of hot - rolled coil closed at 3,277 yuan/ton. The spot steel trading was generally weak, the basis shrank overall, and the national building materials trading volume was 102,203 [1] - **Supply and Demand Logic**: Building materials production increased slightly, inventory continued to decline, and demand remained stable. Plate production declined slightly, but demand resilience remained. Short - term raw material disturbances were frequent, and attention should be paid to environmental protection, seasonal production cuts, demand and de - stocking changes, profit conditions, cost support, raw material replenishment, steel exports, and domestic policies [1] - **Strategy**: The unilateral strategy is to expect a volatile market, and there are no cross - period, cross - variety, spot - futures, or options strategies [2] Iron Ore - **Market Analysis**: The iron ore futures price fluctuated. The 2605 contract closed at 777.5 yuan/ton, up 12.5 yuan or 1.63% from the previous settlement price. The spot price rose slightly, and the trading volume was 982,000 tons, a 18.17% increase from the previous day [3] - **Supply and Demand Logic**: The port inventory showed an increasing trend, and the supply was relatively loose. The downstream finished product demand declined seasonally, the inventory pressure increased, the iron water production continued to decline, but the short - term production decline was beneficial to steel prices, and the market pessimism eased. Attention should be paid to the actual production cut rhythm of steel mills and the change in port inventory structure [3] - **Strategy**: The unilateral strategy is to expect a volatile market, and there are no cross - period, cross - variety, spot - futures, or options strategies [4] Double - Coke - **Market Analysis**: The double - coke market led the rise in the black sector, with significant increases in the closing prices of the main contracts of coking coal and coke. The import volume of Mongolian coal decreased slightly but remained at a high level. The spot market followed the futures market, and the market sentiment improved [4] - **Supply and Demand Logic**: The supply of coking coal increased slightly, but domestic mine production remained low. Downstream coke enterprises had low enthusiasm for replenishing inventory, and steel mills mainly made rigid procurement. Coke production declined slightly due to environmental protection, and demand was limited. In the future, iron water production is expected to decline seasonally, and supply is expected to be changeable due to policy disturbances. Attention should be paid to coking coal supply, warehouse receipt pressure, steel mill profits, and winter storage plans [4][5] - **Strategy**: Both coking coal and coke are expected to have a volatile market, and there are no cross - period, cross - variety, spot - futures, or options strategies [5] Thermal Coal - **Market Analysis**: In the production area, coal prices continued to be weak, and downstream procurement was on - demand. Some mines' sales improved after price cuts, and a few high - quality mines began to increase prices slightly. At the port, the market decline continued, with only sporadic transactions and strong price - bargaining. The port inventory was high, and the turnover rate was low, with the short - term decline expected to continue. The decline in the imported coal market narrowed, and the advantage of low - calorie coal became prominent [6] - **Supply and Demand Logic**: Recently, coal prices have been weak due to lower - than - expected downstream consumption and relatively high inventory. Some mines have completed their annual tasks, and future supply is difficult to improve significantly. In the long - term, attention should be paid to changes in the supply pattern, non - power coal consumption, and replenishment [6] - **Strategy**: No strategy provided [6]

油） 021-60635738 lijie@ccb.ccbfutures.com 期货从业资格号：F3031215 021-60635737 renjunchi@ccb.ccbfutures.com 期货从业资格号：F3037892 硅）028-8663 0631 penghaozhou@ccb.ccbfutures.com 期货从业资格号：F3065843 021-60635740 pengjinglin@ccb.ccbfutures.com 期货从业资格号：F3075681 021-60635570 liuyouran@ccb.ccbfutures.com 期货从业资格号：F03094925 021-60635727 期货从业资格号：F03134307 fengzeren@ccb.ccbfutures.com 能源化工研究团队 研究员：李捷,CFA（原油燃料 研究员：任俊弛（PTA、MEG） 研究员：彭浩洲（尿素、工业 研究员：彭婧霖（聚烯烃） 研究员：刘悠然（纸浆） 研究员：冯泽仁（玻璃、纯碱） 请阅读正文后的声明 行业 ＃summary＃ 纯碱、玻璃日报 日期 2025 年 12 月 19 日 每日报 ...

Report Summary 1. Market Performance on December 18, 2025 - A - share market: The Shanghai Composite Index rose 0.16% to 3876.37 points, the Shenzhen Component Index fell 1.29% to 13053.97 points, and the Chi - Next Index dropped 2.17% to 3107.06 points, with a turnover of 1655.5 billion yuan, a decrease of 155.7 billion yuan from the previous day [1] - Index futures: The CSI 300 Index fluctuated narrowly, closing at 4552.79, down 27.08 [2] 2. Commodity Futures 2.1 Coke and Coking Coal - Coke: The weighted index was strong, closing at 1697.5, up 89.8. Spot supply increased slightly, and steel mills' coke inventory rose significantly. As of December 11, 45 sample steel mills' coke inventory was 231.6 million tons, up 9.5% from mid - November. Steel mills' consumption decreased due to more blast furnace overhauls and declining hot metal production [2][4] - Coking coal: The weighted index was trending stronger, closing at 1107.4 yuan, up 62.5. As of December 15, the price had dropped by over 200 yuan/ton. Coking plants' profit margins increased, but they faced inventory pressure due to weak seasonal demand from steel mills and tight railway transportation at the end of the year [3][5] 2.2 Zhengzhou Sugar - The Zhengzhou Sugar 2605 contract declined on December 18. The US Department of Agriculture predicted that the global sugar production in the 2025/26 season would increase by 8.3 million tons (4.6%) to 1.89318 billion tons, consumption would increase by 1.1% to a record 1.77921 billion tons, and the ending inventory would decline by 2.9% to 41.188 million tons [5][6] 2.3 Rubber - Shanghai Rubber futures closed slightly lower on December 18. Thailand's southern rainfall was forecast to decrease from December 17 - 23, and the spot price in Southeast Asia declined. Tire factories'开工 rate decreased, with semi - steel tire sample enterprises' capacity utilization at 70.01% (down 0.13 percentage points month - on - month and 8.67 percentage points year - on - year) and full - steel tire sample enterprises' at 63.61% (down 0.94 percentage points month - on - month and up 3.72 percentage points year - on - year) [6] 2.4 Soybean Meal - CBOT soybeans continued to weaken. As of November 27, US soybean export sales were 1.116 million tons. Brazil's soybean planting was almost finished with good weather. Brazil's December soybean export was expected to be 3.57 million tons. In the domestic market, the M2605 main contract closed at 2747 yuan/ton, down 0.33%. The supply of imported soybeans was abundant, and the soybean meal inventory was high [6] 2.5 Live Pigs - The LH2603 main contract closed at 11435 yuan/ton, up 0.75%. The supply of live pigs was abundant due to high slaughtering willingness. With the approaching of the southwest curing peak, short - term consumption demand increased [6] 2.6 Palm Oil - The palm oil futures price rebounded on December 18 but faced strong resistance. Malaysia lowered its January reference price of crude palm oil and the export tariff to 9.5% [6][7] 2.7 Shanghai Copper - Shanghai Copper futures oscillated at a high level on December 18. The supply side had low copper concentrate processing fees and limited increase in smelting production, while the demand side was affected by high prices, with social inventory accumulating slightly [7] 2.8 Cotton - The Zhengzhou Cotton main contract closed at 13965 yuan/ton at night on December 18. China imported 120,000 tons of cotton in November 2025, up 9.4% year - on - year, and 890,000 tons from January - November, down 64% year - on - year [7] 2.9 Iron Ore - The Iron Ore 2605 main contract rose 1.63% to 777.5 yuan on December 18. The shipment volume from Australia and Brazil increased, the arrival volume rebounded, and the port inventory continued to accumulate, with the iron ore market in a supply - increase and demand - weak pattern [7] 2.10 Asphalt - The Asphalt 2602 main contract rose 0.68% to 2952 yuan on December 18. The capacity utilization rate decreased slightly, the inventory reduction slowed down, and the market was in a supply - demand double - weak pattern [7] 2.11 Logs - The Logs 2603 main contract closed at 778 on December 18. The spot prices in Shandong and Jiangsu were stable. Attention should be paid to spot - end support, import data, inventory changes, and market sentiment [7][8] 2.12 Steel - On December 18, rb2605 was at 3125 yuan/ton and hc2605 was at 3277 yuan/ton. The coking coal production rebounded, and the steel market was in a weak balance in the off - season. With the rebound of raw material prices, steel prices were expected to oscillate slightly stronger [8] 2.13 Alumina - The ao2601 contract was at 2553 yuan/ton on December 18. The alumina market had a supply surplus, and the inventory was at a high level. Some producers' maintenance or exit led to a technical rebound in futures prices, but the overall trend was still weak [9] 2.14 Shanghai Aluminum - The al2602 contract was at 21955 yuan/ton on December 18. High prices suppressed terminal demand, and the actual spot trading was insufficient. The domestic electrolytic aluminum social inventory remained at a historical low due to transportation problems in the northwest [9] 3. Investment Suggestions - For soybean meal, track South American weather and soybean arrival volume [6] - For live pigs, focus on the inventory of breeding sows, the slaughtering rhythm of large - scale pig enterprises, and the progress of curing consumption [6] - For logs, pay attention to spot - end price, import data, inventory changes, and macro - market sentiment [7][8]

观点 伊朗装置开始停车，港口内地共振反弹，基差小幅走强，卸货慢，港口连续两周去库，浮仓很多，预计后期回归 累库，11月伊朗发 运110w，预计12-1月进口下降较难，盘面01给进口无风险套机会，认为01终点仍是高库存，偏向逢高 做15反套。 甲醇聚烯烃早报 研究中心能化团队 2025/12/19 | 甲 醇 | | | | | | | | | | | | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 日期 | 动力煤期 | | 江苏现货 华南现货 | 鲁南折盘 | 西南折盘面 | 河北折盘 | 西北折盘 | CFR中国 | CFR东南 | | 进口利润 主力基差 | 盘面MTO | | | 货 | | | 面 | | 面 | 面 | | 亚 | | | 利润 | | 2025/12/1 2 | 801 | 2092 | 2070 | 2440 | 2465 | 2395 | 2565 | 243 | 317 | 1 | 20 | - | | 2025/12/1 5 | 801 | 2123 ...

Report Summary 1. Report Industry Investment Rating No relevant information provided. 2. Report's Core View - PX has a supply gap due to high polyester operation rates, and its profit hits a new high. The market is bullish, and PXN reaches a new peak [8]. - PTA's valuation continues to rise due to tight PX supply - demand on the cost side and high polyester operation rates. It is recommended to operate in the 4500 - 4800 range and exit the 5 - 9 calendar spread [8]. - MEG is in a range - bound market as the increase in supply cannot change the future inventory build - up pattern [8]. 3. Summary by Related Catalogs Market Dynamics - PX: On December 18, 2025, the PX price rises. The PX - naphtha price spread reaches a new high in 2025. Higher margins may incentivize producers to increase output, but most Asian producers are cautious in the short term [3][5]. - PTA: Some PTA producers outside China are struggling to secure 2026 regular contracts. In mainland China, an Ineos 1.25 - million - ton PTA unit reduces operation and may shut down, with the PTA load at 73.2% as of Thursday [6]. - MEG: As of December 18, the overall ethylene glycol operation rate in mainland China rises to 71.97%, and the operation rate of ethylene glycol produced by oxalic acid catalytic hydrogenation method increases to 75.46% [6]. - Polyester: A filament unit of Sanfangxiang experiences a minor issue during the feeding process, delaying production. The domestic polyester load in mainland China remains around 91.2% as of Thursday [7]. Trend Intensity - The trend intensities of p - xylene, PTA, and MEG are all 1, indicating a neutral view [8]. Price and Margin Data - **Futures**: PX, PTA, PF, and SC futures prices rise, with PTA having the highest daily increase rate of 1.37%. MEG futures rise slightly by 0.24% [2]. - **Spot**: PX, PTA, and naphtha spot prices rise, while MEG spot price falls. The PX - naphtha spread is 282.92 dollars/ton [2]. - **Processing Margin**: The PX - naphtha spread increases by 1.5 dollars/ton, while PTA and short - fiber processing margins decrease [2].

热点栏目 自选股 数据中心 行情中心 资金流向 模拟交易 客户端 白糖： 消息方面，2025年11月，我国进口食糖44万吨，同比减少9.34万吨。2025年1-11月，我国进口食糖 434.16万吨；2025/26榨季（10-11月），我国进口食糖118.62万吨。现货报价方面，广西新糖报价 5270~5380元/吨，下调20~30元/吨；云南制糖集团新糖报价5150~5260元/吨，下调20元/吨；加工糖厂主 流报价区间为5650~5900元/吨，个别下调10元/吨。11月进口数据基本在市场预期之内，国内方面现货 报价不断下调，市场承压，期价已经跌破大部分企业生产成本线，但悲观情绪下仍未有止跌迹象，以空 头思路对待但避免低位追空。关注糖浆及预混粉11月进口情况。 棉花： 周四，ICE美棉上涨0.22%，报收63.57美分/磅，CF601环比上涨0.11%，报收13960元/吨，主力合约持仓 环比增加10681手至74.19万手，棉花3128B现货价格指数14750元/吨，较前一日上调35元/吨。国内市场 方面，宏观层面仍有扰动，美国CPI数据超预期降温，美元指数与美棉价格重心共振上移。美棉出口方 面，数据更 ...

1. Report Industry Investment Ratings No investment ratings are provided in the reports. 2. Core Views of the Reports Natural Rubber - Market is in a short - term long - short stalemate. Rubber prices are expected to fluctuate within the range of 15,000 - 15,500. Supply - side support exists due to geopolitical tensions in Thailand and domestic产区停割, while demand - side growth is restricted by slow tire sales and low profits in some sectors [1]. Polyolefins - Both polyethylene and polypropylene face a situation of increasing supply and weak demand, with cost support and inventory pressure coexisting [4]. Methanol - Methanol futures are oscillating higher. The port market may be weak in the near term due to Iranian supply, while the inland market has increasing supply and demand. The 05 contract can be considered for long positions after reduced shipments [6][8]. LPG No specific overall view is provided other than presenting price, inventory, and开工率 data [12]. Pure Benzene and Styrene - Pure benzene is expected to have limited downside. The BZ2603 may oscillate between 5,300 - 5,600. Styrene has limited driving force and is expected to be weak in the short - term [14]. Polyester Industry Chain - PX: Rolling low - buying operations are recommended. - PTA: TA rolling low - buying and TA5 - 9 low - level positive spreads are suggested. - Ethylene Glycol: Short - term low - level oscillation is expected, and selling EG2605 - C - 4100 is advisable to obtain time value. - Short - fiber: It follows raw material fluctuations, and the disk processing fee can be shorted when it is high. - Polyester Bottle Chips: Selling PR2602 - P - 5500 is recommended, and the main disk processing fee is expected to fluctuate between 300 - 450 yuan/ton [15]. Crude Oil - The market is greatly affected by geopolitical factors. Brent crude should be monitored at the $60/barrel level. Attention should be paid to US - Russia talks, Russia - Ukraine negotiations, and the US - Venezuela situation [16]. Urea - The 2605 contract's main logic is the support of spring plowing fertilizer demand under high - supply pressure. Attention should be paid to whether the price can stabilize at 1,700 and the spirit of the urea meeting [18]. PVC and Caustic Soda - Caustic soda prices are expected to be weak. PVC supply is under pressure, demand is weak, and the price outlook is not optimistic. Short - term observation and shorting on rebounds are recommended [19]. Glass and Soda Ash - Soda ash: The supply - demand situation is bearish, and short - selling opportunities after rebounds should be noted. - Glass: The market has pressure, and the 01 contract will follow the delivery logic in December, while the 05 contract is expected to oscillate weakly at the bottom [20]. 3. Summaries According to Relevant Catalogs Natural Rubber - **Spot Prices and Basis**: Yunnan state - owned whole latex remained unchanged at 15,050 yuan/ton; the whole - milk basis increased by 20.59%. Thai standard mixed rubber decreased by 0.68% to 14,550 yuan/ton [1]. - **Monthly Spreads**: The 9 - 1 spread increased by 16.67%, the 1 - 5 spread increased by 15 yuan/ton, and the 5 - 9 spread decreased by 66.67% [1]. - **Fundamental Data**: In October, Thailand's production decreased by 0.29%, Indonesia's by 1.53%, and China's by a certain amount. November domestic tire production increased by 3.96%, and exports increased by 9.36% [1]. - **Inventory Changes**: Bonded - area inventory increased by 2.08%, and上期所factory - warehouse futures inventory increased by 3.87% [1]. Polyolefins - **Futures and Spot Prices**: L2601 and L2605 decreased slightly, PP2601 increased by 0.10%, and PP2605 decreased by 0.40%. Some spot prices changed slightly [4]. - **Spreads**: L15, PP15, and LP01 spreads changed to different extents [4]. - **开工率 and Inventory**: PE downstream weighted开工率 decreased by 1.28%, and some PP开工率 and inventory indicators changed [4]. Methanol - **Prices and Spreads**: MA2601 and MA2605 increased, and some spreads and basis changed [6]. - **Inventory**: Methanol enterprise inventory increased by 10.86%, while port inventory decreased by 1.26% [7]. - **开工率**: Some upstream and downstream开工率 indicators increased or decreased [8]. LPG - **Prices and Spreads**: PG2601, PG2602, and PG2603 increased, and some spreads and basis changed [12]. - **Inventory**: LPG refinery storage capacity ratio and port inventory increased [12]. - **开工率**: Some upstream and downstream开工率 indicators changed [12]. Pure Benzene and Styrene - **Prices and Spreads**: Some prices and spreads of pure benzene and styrene changed [14]. - **Inventory**: Benzene and styrene port inventories changed [14]. - **开工率**: Some开工率 indicators of the pure benzene and styrene industry chain changed [14]. Polyester Industry Chain - **Upstream and Downstream Prices**: Crude oil, PX, and polyester product prices changed to different extents [15]. - **Spreads**: PX - related spreads, PTA - related spreads, and MEG - related spreads changed [15]. - **开工率 and Inventory**: Some开工率 indicators and MEG port inventory changed [15]. Crude Oil - **Prices and Spreads**: Brent, WTI, and SC prices increased, and some spreads changed [16]. - **Refined Oil Prices and Spreads**: Some refined oil prices and spreads changed [16]. - **Refined Oil Crack Spreads**: Some refined oil crack spreads changed [16]. Urea - **Futures and Spot Prices**: Urea futures prices changed, and some spot prices changed [18]. - **Spreads and Positions**: Some spreads and positions changed [18]. - **Supply and Demand**: Domestic urea daily and weekly production, inventory, and订单天数 changed [18]. PVC and Caustic Soda - **PVC and Caustic Soda Prices**: Some prices of PVC and caustic soda changed [19]. - **Overseas Quotes and Export Profits**: Some overseas quotes and export profits of PVC and caustic soda changed [19]. - **Supply, Demand, and Inventory**:开工率, demand - side开工率, and inventory of PVC and caustic soda changed [19]. Glass and Soda Ash - **Glass and Soda Ash Prices**: Some prices of glass and soda ash changed [20]. - **Supply and Inventory**: Soda ash开工率, production, and inventory, as well as glass inventory and some related data changed [20]. - **Real Estate Data**: Some real - estate data changed [20].