纯碱玻璃产业日报 2025-09-23 | 项目类别 | 数据指标 纯碱主力合约收盘价(日,元/吨) | 最新 1273 | 环比 数据指标 -20 玻璃主力合约收盘价(日,元/吨) | 最新 1183 | 环比 -16 | | --- | --- | --- | --- | --- | --- | | | | | | | -4582 | | | 纯碱与玻璃价差(日,元/吨) | 90 | -4 纯碱主力合约持仓量(日,手) | 1415505 | | | | 玻璃主力合约持仓量(日,手) | 1315901 | 41822 纯碱前20名净持仓 | -275366 | 3732 | | 期货市场 | 玻璃前20名净持仓 | -194539 | 21194 纯碱交易所仓单(日,吨) | 2154 | 2154 | | | 玻璃交易所仓单(日,吨) | 0 | 0 纯碱基差(日,元/吨) | -68 | 40 | | | 玻璃基差 | -103 | 16 1月-5月玻璃合约 | -129 | 1 | | | 1月-5月纯碱合约 | -88 | 3 | | | | | 华北重碱(日,元/吨) | 1225 | 15 ...

明出处为瑞达期货股份有限公司研究院，且不得对本报告进行有悖原意的引用、删节和修改。 本报告中的信息均来源于公开可获得资料，瑞达期货股份有限公司力求准确可靠，但对这些信息的准确性及完整性不 做任何保证，据此投资，责任自负。本报告不构成个人投资建议，客户应考虑本报告中的任何意见或建议是否符合其特定状 | | | | 集运指数（欧线）期货日报 | | | 2025/9/23 | | --- | --- | --- | --- | --- | --- | --- | | 项目类别 数据指标 | 环比 | 最新 | | 数据指标 | 最新 | 环比 | | EC主力收盘价 | | 1100.000 | | -2.0↓ EC次主力收盘价 | 1623.4 | -45.80↓ | | 期货盘面 EC2510-EC2512价差 | | -523.40 | | +36.80↑ EC2510-EC2602价差 | -435.60 | +44.30↑ | | EC合约基差 | | 154.92 | -6.30↓ | | | | | 期货持仓头寸（手） EC主力持仓量 | | 41508 | -4522↓ | | | | | SCF ...

Report Industry Investment Rating - Not provided Core Viewpoints - In the short - term, the support for cotton prices is weakening due to the small - scale listing of new cotton, significant production increase in the new season, and the lack of a peak season in the downstream market. It is recommended to take a short - term bearish stance [2] Summary by Relevant Catalogs Futures Market - Zhengzhou cotton main contract closing price: 13,540 yuan/ton, down 70 yuan; cotton yarn main contract closing price: 19,660 yuan/ton, down 15 yuan [2] - Cotton futures top 20 net positions: - 18,937 lots, up 1,458 lots; cotton yarn futures top 20 net positions: - 168 lots, up 299 lots [2] - Cotton main contract open interest: 532,801 lots, up 10,524 lots; cotton yarn main contract open interest: 14,281 lots, down 1,753 lots [2] - Cotton warehouse receipt quantity: 3,915 lots, down 181 lots; cotton yarn warehouse receipt quantity: 0 lots, unchanged [2] 现货市场 - China Cotton Price Index (CCIndex:3128B): 15,133 yuan/ton; China Yarn Price Index (pure cotton carded yarn 32S): 20,615 yuan/ton, down 90 yuan [2] - China Imported Cotton Price Index (FCIndexM:1% tariff): 13,267 yuan/ton, down 17 yuan; China Imported Cotton Price Index (FCIndexM:sliding - scale duty): 14,147 yuan/ton, down 5 yuan [2] - Imported cotton yarn price index (pure cotton carded yarn 32S): 21,432 yuan/ton, down 1 yuan; imported cotton yarn price index (pure cotton combed yarn 32S): 22,618 yuan/ton, down 85 yuan [2] Upstream Situation - National cotton sowing area: 2,838.3 thousand hectares, up 48.3 thousand hectares; national cotton output: 6160 thousand tons, up 540 thousand tons [2] Industry Situation - Cotton - yarn price difference: 5,482 yuan/ton, up 1 yuan; national industrial inventory of cotton: 870 thousand tons, up 13 thousand tons [2] - Cotton import volume: 70 thousand tons, up 20 thousand tons; cotton yarn import volume: 130 thousand tons, up 20 thousand tons [2] - Imported cotton profit: 1,072 yuan/ton, up 13 yuan; national commercial inventory of cotton: 14817 thousand tons, down 7081 thousand tons [2] Downstream Situation - Yarn inventory days: 26.58 days, down 0.65 days;坯布 inventory days: 33.87 days, down 1.31 days [2] - Cloth production: 2.701 billion meters, up 0.01 billion meters; yarn production: 20279 thousand tons, up 364 thousand tons [2] - Monthly export value of clothing and clothing accessories: 1414590.4 million US dollars, down 101585.5 million US dollars; monthly export value of textile yarns, fabrics and products: 1239320.2 million US dollars, up 78919.3 million US dollars [2] Option Market - Implied volatility of at - the - money call options for cotton: 11.48%, down 0.35%; implied volatility of at - the - money put options for cotton: 11.47%, down 0.33% [2] - 20 - day historical volatility of cotton: 8.94%, down 0.2%; 60 - day historical volatility of cotton: 7.02%, up 0.06% [2] Industry News - As of September 16, 2025, non - commercial long positions in US cotton futures were 70,118 lots, down 53 lots from the previous week; non - commercial short positions were 112,767 lots, down 8,738 lots; net short positions were 42,649 lots, down 8,685 lots [2] - In August 2025, the survey by the Cotton Growers Branch of the China Cotton Association showed that the national cotton planting area was 44.823 million mu, a year - on - year increase of 1.8%, and the national cotton output was expected to be 7216 thousand tons, a year - on - year increase of 8.3%, 321 thousand tons higher than the previous forecast, reaching a new high since 2013 [2] - ICE cotton futures were stable on Monday after hitting a more than two - week low. The December cotton futures contract fell 0.07 cents, or 0.09%, to settle at 66.22 cents per pound [2]

1. Report Industry Investment Rating - No relevant content provided. 2. Core View of the Report - On Tuesday, the I2601 contract decreased with reduced positions. Macroscopically, US President Trump stated that he would meet with Chinese leaders during the APEC Economic Leaders' Meeting, and Chinese Foreign Ministry Spokesperson Guo Jiakun responded that the two heads of state maintain close communication. In terms of supply - demand, the iron ore shipments from Australia and Brazil decreased this period, while the arrivals increased. The domestic port inventory changed from increasing to decreasing. The blast furnace operating rate and capacity utilization rate of steel mills increased, and the molten iron output remained above 2.4 million tons. Overall, the molten iron output remained at a high level, and there was an expectation of stockpiling before the National Day holiday, but the weak steel market also dragged down the iron ore price. Technically, the 1 - hour MACD indicator of the I2601 contract showed that DIFF and DEA were adjusting downward. It is recommended to conduct short - term trading and pay attention to rhythm and risk control [2]. 3. Summary According to Relevant Catalogs 3.1 Futures Market - The closing price of the I main contract was 802.50 yuan/ton, down 6.00 yuan; the position volume was 546,570 lots, down 15,454 lots. The 1 - 5 contract spread was 22.5 yuan/ton, unchanged. The net position of the top 20 in the I contract was - 30,146 lots, down 1,800 lots. The Dalian Commodity Exchange warehouse receipt was 2,000.00 lots, unchanged. The quote of the Singapore iron ore main contract at 15:00 was 105.95 US dollars/ton, down 0.70 US dollars [2]. 3.2现货市场 - The price of 61.5% PB fines at Qingdao Port was 868 yuan/dry ton, down 2 yuan; the price of 60.8% Mac fines was 859 yuan/dry ton, down 2 yuan. The price of 56.5% Super Special fines at Jingtang Port was 770 yuan/dry ton, down 3 yuan. The basis of the I main contract (Mac fines dry ton - main contract) was 56 yuan, up 4 yuan. The 62% Platts iron ore index (previous day) was 106.75 US dollars/ton, up 0.20 US dollars. The ratio of Jiangsu scrap steel to 60.8% Mac fines at Qingdao Port was 3.28, up 0.02. The estimated import cost was 872 yuan/ton, up 1 yuan. The global iron ore shipment volume (weekly) was 33.248 million tons, down 2.483 million tons; the arrival volume at 47 Chinese ports (weekly) was 27.504 million tons, up 3.581 million tons. The iron ore inventory at 47 ports (weekly) was 143.8168 million tons, down 0.7444 million tons; the iron ore inventory of sample steel mills (weekly) was 93.0943 million tons, up 3.1638 million tons [2]. 3.3 Industry Situation - The iron ore import volume (monthly) was 105.22 million tons, up 0.6 million tons. The available days of iron ore (weekly) were 24 days, up 5 days. The daily output of 266 mines (weekly) was 0.4081 million tons, up 0.0013 million tons. The operating rate of 266 mines (weekly) was 64.23%, up 0.30%. The iron concentrate inventory of 266 mines (weekly) was 0.3767 million tons, up 0.024 million tons. The BDI index was 2,172.00, down 31.00. The iron ore freight rate from Tubarao, Brazil to Qingdao was 24.85 US dollars/ton, up 0.07 US dollars; the iron ore freight rate from Western Australia to Qingdao was 10.775 US dollars/ton, down 0.16 US dollars [2]. 3.4 Downstream Situation - The blast furnace operating rate of 247 steel mills (weekly) was 84.00%, up 0.15%. The blast furnace capacity utilization rate of 247 steel mills (weekly) was 90.38%, up 0.18%. The domestic crude steel output (monthly) was 77.37 million tons, down 2.29 million tons [2]. 3.5 Option Market - The 20 - day historical volatility of the underlying (daily) was 17.04%, down 0.53%. The 40 - day historical volatility of the underlying (daily) was 16.93%, down 0.26%. The implied volatility of at - the - money call options (daily) was 20.91%, down 0.45%. The implied volatility of at - the - money put options (daily) was 21.61%, up 0.47% [2]. 3.6 Industry News - From September 15th to September 21st, 2025, the global iron ore shipment volume was 33.248 million tons, down 2.483 million tons. The total shipment volume from Australia and Brazil was 27.728 million tons, down 2.05 million tons. The Australian shipment volume was 19.188 million tons, down 1.658 million tons, and the volume shipped from Australia to China was 15.712 million tons, down 2.65 million tons. The Brazilian shipment volume was 8.54 million tons, down 0.392 million tons. The arrival volume at 47 Chinese ports was 27.504 million tons, up 3.581 million tons; the arrival volume at 45 Chinese ports was 26.75 million tons, up 3.127 million tons; the arrival volume at six northern ports was 12.9 million tons, up 0.45 million tons [2].

大下游行业对工业硅总需求依旧呈现持平。当前行业库存仍处于高位，尽管标准仓单数量有所减少，但库 免责声明 工业硅产业日报 2025-09-23 | 项目类别 | 数据指标 | 最新 | 环比 数据指标 | 最新 | 环比 | | --- | --- | --- | --- | --- | --- | | 期货市场 | 主力合约收盘价(日,元/吨) | 8925 | -25 主力合约持仓量(日,手) | 273696 | -11794 | | | 前20名净持仓(日,手) | -67515 | 224 广期所仓单(日,手) | 49963 | 161 | | | 12月合约收盘价:工业硅(日,元/吨) | -400 | -5 11-12月合约工业硅 | -400 | -5 | | 现货市场 | 通氧553#硅平均价(日,元/吨) | 9500 | 0 421#硅平均价(日,元/吨) | 9700 | 0 | | | Si主力合约基差(日,元/吨) | 575 | 25 DMC现货价(日,元/吨) | 11060 | 0 | | 上游情况 | 硅石平均价(日,元/吨) | 410 | 0 石油焦平均价(日,元/吨) ...

Report Summary 1. Investment Rating - No investment rating is provided in the report. 2. Core View - On Tuesday, the HC2601 contract opened lower and moved lower. The weekly output of hot - rolled coils continued to increase, with a capacity utilization rate of 83.4%. Demand declined slightly and inventory increased. Overall, hot - rolled coil production remained at a high level, terminal demand had strong resilience, and the steel market was intertwined with long and short factors, so the futures price might fluctuate. Technically, the 1 - hour MACD indicator of the HC2601 contract showed that DIFF and DEA were adjusting downward with an enlarged green column. It is recommended to conduct short - term trading and pay attention to rhythm and risk control [2]. 3. Summary by Directory 3.1 Futures Market - The closing price of the HC main contract was 3,340 yuan/ton, down 40 yuan; the position volume was 1367093 lots, down 15676 lots; the net position of the top 20 in the HC contract was - 97,783 lots, up 14344 lots; the HC10 - 1 contract spread was 50 yuan/ton, up 10 yuan; the HC warehouse receipt at the Shanghai Futures Exchange was 38151 tons, down 280 tons; the HC2601 - RB2601 contract spread was 185 yuan/ton, down 10 yuan [2]. 3.2 Spot Market - The price of 4.75 hot - rolled coils in Hangzhou was 3,410 yuan/ton, down 40 yuan; in Guangzhou was 3,370 yuan/ton, down 30 yuan; in Wuhan was 3,430 yuan/ton, down 30 yuan; in Tianjin was 3,330 yuan/ton, down 20 yuan. The basis of the HC main contract was 70 yuan/ton, unchanged; the spread between Hangzhou hot - rolled coils and rebar was 90 yuan/ton, down 20 yuan [2]. 3.3 Upstream Situation - The price of 61.5% PB iron ore fines at Qingdao Port was 797 yuan/wet ton, down 9 yuan; the price of Hebei quasi - first - grade metallurgical coke was 1,490 yuan/ton, unchanged; the price of 6 - 8mm scrap steel in Tangshan was 2,290 yuan/ton, unchanged; the price of Hebei Q235 billet was 3,030 yuan/ton, down 20 yuan. The inventory of iron ore at 45 ports was 13,804.22 million tons, down 48.91 million tons; the inventory of coke at sample coking plants was 42.21 million tons, down 1.55 million tons; the inventory of coke at sample steel mills was 644.90 million tons, up 11.29 million tons; the inventory of Hebei billets was 121.73 million tons, down 7.22 million tons [2]. 3.4 Industry Situation - The blast furnace operating rate of 247 steel mills was 84.00%, up 0.15 percentage points; the blast furnace capacity utilization rate was 90.38%, up 0.18 percentage points. The output of hot - rolled coils of sample steel mills was 326.49 million tons, up 1.35 million tons; the capacity utilization rate of hot - rolled coils was 83.40%, up 0.34 percentage points. The inventory of hot - rolled coils at sample steel mills was 81.30 million tons, up 0.42 million tons; the social inventory of hot - rolled coils in 33 cities was 296.69 million tons, up 4.25 million tons. The domestic crude steel output was 7,737 million tons, down 229 million tons; the net export volume of steel was 901.00 million tons, down 38.00 million tons [2]. 3.5 Downstream Situation - The monthly output of automobiles was 281.54 million vehicles, up 22.43 million vehicles; the monthly sales of automobiles were 285.66 million vehicles, up 26.32 million vehicles. The monthly output of air conditioners was 1,681.88 million units, down 377.77 million units; the monthly output of household refrigerators was 945.32 million units, up 72.25 million units; the monthly output of household washing machines was 1,013.18 million units, up 135.75 million units [2]. 3.6 Industry News - On September 23, the National Energy Administration released the data on全社会 electricity consumption in August, reaching 1015.4 billion kWh, a year - on - year increase of 5.0%. The全社会 electricity consumption exceeded 1 trillion kWh in July and August, which was the first time globally. The Ministry of Ecology and Environment held the 2025 air pollution prevention and control work conference in Beijing [2].

数据来源第三方，观点仅供参考。市场有风险，投资需谨慎！ 研究员: 陈思嘉 期货从业资格号F03118799 期货投资咨询从业证书号Z0022803 免责声明 本报告中的信息均来源于公开可获得资料，瑞达期货股份有限公司力求准确可靠，但对这些信息的准确性及完整性不做任何保证，据此投资，责任自负。本报告不构成个人投资建议， 出处为瑞 达研究瑞达期货股份有限公司研究院，且不得对本报告进行有悖原意的引用、删节和修改。 铝类产业日报 2025/9/23 | 项目类别 | 数据指标 | 最新 | 环比 数据指标 | 最新 | 环比 | | --- | --- | --- | --- | --- | --- | | | 沪铝主力合约收盘价(日,元/吨) | 20,685.00 | -60.00↓ 氧化铝期货主力合约收盘价(日,元/吨) | 2,877.00 | -57.00↓ | | | 主力-连二合约价差:沪铝(日,元/吨) 主力合约持仓量:沪铝(日,手) | -10.00 225,448.00 | 0.00 主力-连二合约价差:氧化铝(日,元/吨) -10619.00↓ 主力合约持仓量:氧化铝(日,手) | -20.00 ...

高价抵触。考虑到下游国庆前补货阶段液碱供应仍偏宽松，山东液碱现货价格预计依然承压。期货方面， 研究员: 林静宜 期货从业资格号F03139610 期货投资咨询从业证书号Z0021558 助理研究员: 徐天泽 期货从业资格号F03133092 近期市场情绪有所回落，盘面大幅下挫带动基差收敛。四季度至明年年初氧化铝新装置投产对需求端支撑 仍存，关注后市备货节奏。技术上，SH2601关注2509附近支撑。 免责声明 | | | 烧碱产业日报 2025-09-23 | 项目类别 | 数据指标 | 最新 | 环比 数据指标 | 最新 | 环比 | | --- | --- | --- | --- | --- | --- | | 期货市场 | 主力收盘价:烧碱(日,元/吨) | 2535 | -69 烧碱主力合约持仓量(日,手) | 114144 | 12443 | | | 期货前20名净持仓:烧碱(日,手) | -9018 | 2008 烧碱主力合约成交量(日,手) | 477688 | 35228 | | | 合约收盘价:烧碱:1月(日,元/吨) | 2535 | -69 合约收盘价:烧碱:5月(日,元/吨) | 26 ...

1. Report Industry Investment Rating - No specific industry investment rating is provided in the report [3] 2. Core View of the Report - After the gold and silver prices quickly break through important levels, they may face upward resistance, and the pressure for a correction may gradually increase. It is more likely that they will enter a phase of consolidation after hitting new highs, and stronger catalysts are needed to drive the gold price higher. It is recommended to wait and see for now and lightly lay out short positions on rallies [3] 3. Summary by Relevant Catalogs 3.1 Futures Market - The closing price of the Shanghai Gold main contract is 855.44 yuan/gram, up 8.94 yuan; the closing price of the Shanghai Silver main contract is 10349 yuan/kg, up 32 yuan. The main contract positions of Shanghai Gold are 271554 lots, up 11298 lots; the main contract positions of Shanghai Silver are 508755 lots, up 4704 lots. The net positions of the top 20 in the Shanghai Gold main contract are 173770 lots, down 552 lots; the net positions of the top 20 in the Shanghai Silver main contract are 111047 lots, down 17930 lots. The warehouse receipt quantity of gold is 59013 kg, up 1584 kg; the warehouse receipt quantity of silver is 1149043 kg, up 419 kg [3] 3.2 Spot Market - The spot price of gold on the Shanghai Non - Ferrous Metals Network is 847.8 yuan/gram, up 12.4 yuan; the spot price of silver is 10246 yuan/kg, up 79 yuan. The basis of the Shanghai Gold main contract is - 7.64 yuan/gram, up 3.46 yuan; the basis of the Shanghai Silver main contract is - 103 yuan/kg, up 47 yuan [3] 3.3 Supply and Demand Situation - The gold ETF holdings are 1000.57 tons, up 6.01 tons; the silver ETF holdings are 15368.9 tons, up 163.76 tons. The non - commercial net positions of gold in CFTC are 266410 contracts, up 4670 contracts; the non - commercial net positions of silver in CTFC are 51538 contracts, down 2399 contracts. The total supply of gold (quarterly) is 1313.01 tons, up 54.84 tons; the total supply of silver (annually) is 987.8 million troy ounces, down 21.4 million troy ounces. The total demand for gold (quarterly) is 1313.01 tons, up 54.83 tons; the global total demand for silver (annually) is 1195 million ounces, down 47.4 million ounces [3] 3.4 Option Market - The 20 - day historical volatility of gold is 13.65%, up 0.18%; the implied volatility of at - the - money call options for gold is 18.91%. The 40 - day historical volatility of gold is 11.46%, up 0.06%; the implied volatility of at - the - money put options for gold is 18.91% [3] 3.5 Industry News - St. Louis Fed President Musalem said the current interest - rate level is between "slightly restrictive and neutral" with limited room for further rate cuts. Atlanta Fed President Bostic doesn't support further rate cuts due to high inflation. Fed Governor Milan will push for rate cuts unless the situation changes. According to CME's "FedWatch", the probability of the Fed keeping rates unchanged in October is 10.2%, and the probability of a 25 - basis - point rate cut is 89.8%. In December, the probability of keeping rates unchanged is 1.7%, the probability of a cumulative 25 - basis - point rate cut is 23.1%, and the probability of a cumulative 50 - basis - point rate cut is 75.3%. Geopolitical conflicts provide safe - haven support, the preliminary Eurozone manufacturing PMI in September is 49.5, and the US government debt issue and the weak dollar support the gold price [3]

Report Industry Investment Rating - No information provided Core Viewpoints - The overall inventory level of methanol in the mainland is still at a relatively low level, while the port inventory increased slightly last week. The提货 in the mainstream storage areas in Jiangsu remained good, and the restart of olefin plants in Zhejiang supported the recovery of consumption capacity. With reduced unloading, the inventory in East China decreased, while the inventory in South China continued to accumulate. The short - term volume of incoming foreign vessels is still at a relatively high level, and it is expected that the port methanol inventory may continue to accumulate next week. The specific accumulation range depends on the unloading speed of foreign vessels and changes in the提货 volume. In terms of demand, after the shutdown of the olefin plant in Qinghai Salt Lake and the restart of the Zhejiang Xingxing plant, the olefin operating rate increased last week. The olefin plants of Ningxia Baofeng Phase III and Shenhua Xinjiang are expected to restart this week, and the industry operating rate may continue to increase. The MA2601 contract is expected to fluctuate in the range of 2300 - 2380 in the short term [2] Summary by Relevant Catalogs Futures Market - The closing price of the main methanol contract was 2343 yuan/ton, a decrease of 5 yuan/ton; the 1 - 5 spread was - 32 yuan/ton, a decrease of 4 yuan/ton. The main contract's open interest was 967432 lots, an increase of 20442 lots; the net long position of the top 20 futures holders was - 145357 lots. The number of warehouse receipts was 8922, unchanged [2] Spot Market - The price in Jiangsu Taicang was 2245 yuan/ton, an increase of 5 yuan/ton; the price in Inner Mongolia was 2080 yuan/ton, an increase of 15 yuan/ton. The price difference between East China and Northwest China was 180 yuan/ton, an increase of 25 yuan/ton; the basis of the main Zhengzhou methanol contract was - 103 yuan/ton, an increase of 18 yuan/ton. The CFR price of methanol at the main Chinese port was 260 US dollars/ton, unchanged; the CFR price in Southeast Asia was 326 US dollars/ton, unchanged. The FOB price in Rotterdam was 283 euros/ton, a decrease of 3 euros/ton; the price difference between the main Chinese port and Southeast Asia was - 66 US dollars/ton, unchanged [2] Upstream Situation - The price of NYMEX natural gas was 2.81 US dollars/million British thermal units, a decrease of 0.11 US dollars [2] Industry Situation - The inventory in East China ports was 107.39 tons, a decrease of 1.56 tons; the inventory in South China ports was 48.39 tons, an increase of 2.31 tons. The methanol import profit was 3.69 yuan/ton, a decrease of 2.5 yuan/ton; the monthly import volume was 175.98 tons, an increase of 65.71 tons. The inventory of inland enterprises was 340500 tons, a decrease of 2100 tons; the operating rate of methanol enterprises was 79.91%, a decrease of 4.67 percentage points [2] Downstream Situation - The operating rate of formaldehyde was 42.92%, a decrease of 0.21 percentage points; the operating rate of dimethyl ether was 6.29%, an increase of 1.43 percentage points. The operating rate of acetic acid was 82.41%, a decrease of 0.7 percentage points; the operating rate of MTBE was 63.57%, an increase of 1.88 percentage points. The operating rate of olefins was 83.81%, an increase of 2.24 percentage points; the on - disk profit of methanol - to - olefins was - 987 yuan/ton, a decrease of 16 yuan/ton [2] Option Market - The 20 - day historical volatility of methanol was 11.35%, a decrease of 0.65 percentage points; the 40 - day historical volatility was 11.5%, a decrease of 0.45 percentage points. The implied volatility of at - the - money call options and put options of methanol was 15.67%, an increase of 0.54 percentage points [2] Industry News - As of September 17, the inventory of Chinese methanol sample production enterprises was 34.05 tons, a decrease of 0.21 tons from the previous period, a month - on - month decrease of 0.60%; the orders to be delivered by sample enterprises were 23.38 tons, a decrease of 1.69 tons from the previous period, a month - on - month decrease of 6.76%. As of September 17, the total inventory of Chinese methanol ports was 155.78 tons, an increase of 0.75 tons from the previous data. Among them, the inventory in East China decreased by 1.56 tons, and the inventory in South China increased by 2.31 tons. The port inventory fluctuated slightly this week. As of September 18, the capacity utilization rate of domestic methanol - to - olefin plants was 84.89%, a month - on - month increase of 2.23% [2]