Group 1 - The core viewpoint of the article is that Aok Holdings is engaging in futures hedging to mitigate the adverse effects of price fluctuations on its operations [2] - The company limits its trading to products and raw materials related to its production and trading activities [2] - The trading activities are restricted to on-exchange transactions and do not involve quantitative trading tools [2]

Report Industry Investment Rating - Not provided Core View of the Report - PVC is expected to move in a sideways pattern, and its upside potential is limited in the near term due to factors such as high inventory, weak downstream demand, and the traditional off - season [1] Summary by Relevant Catalogs Market Analysis - The calcium carbide price in the upstream northwest region is stable. The PVC operating rate decreased by 0.46 percentage points to 79.43% week - on - week, remaining at a relatively high level in recent years. The downstream operating rate of PVC declined slightly, and downstream product orders were poor. In terms of exports, PVC exchanged volume for price, and last week's export orders increased, but the Indian market price is falling, and Indian demand is limited. Social inventory increased slightly last week and remains high, with significant inventory pressure. From January to November 2025, the real estate market is still in the adjustment phase, with large year - on - year declines in investment, new construction, construction, and completion areas, and further drops in year - on - year growth rates. The weekly sales area of commercial housing in 30 large and medium - sized cities increased week - on - week but is still at the lowest level in recent years. The real estate market needs time to improve. New production capacities of 300,000 tons/year from Gansu Yaowang and 300,000 tons/year from Jiaxing Jiahua have recently been put into operation. The rebound of bulk commodities such as coking coal boosted market sentiment, the comprehensive gross profit of chlorine - alkali decreased, and the operating expectations of some producers declined, but the current decline in production is limited, and futures warehouse receipts are still at a high level. Taiwan Plastics' December quotes generally decreased, and the Indian market price is falling, with limited Indian demand. December is the traditional off - season for domestic PVC demand [1] Futures and Spot Market - Futures: The PVC2605 contract increased in positions and moved in a sideways pattern, with a minimum price of 4,639 yuan/ton, a maximum price of 4,694 yuan/ton, and finally closed at 4,680 yuan/ton, below the 20 - day moving average, with a gain of 1.17%. The position increased by 40,723 hands to 890,154 hands [2] - Basis: On December 17, the mainstream price of calcium carbide - based PVC in East China rose to 4,410 yuan/ton. The futures closing price of the V2605 contract was 4,680 yuan/ton. The current basis is - 270 yuan/ton, strengthening by 4 yuan/ton, and the basis is at a relatively low level [3] Fundamental Tracking - Supply: Affected by facilities such as Ningbo Zhengyang and Yibin Tianyuan, the PVC operating rate decreased by 0.46 percentage points to 79.43% week - on - week, continuing a slight decline and remaining at a relatively high level in recent years. New production capacities of 500,000 tons/year from Wanhua Chemical, 400,000 tons/year from Tianjin Bohua, 200,000 tons/year from Qingdao Haiwan, 300,000 tons/year from Gansu Yaowang, and 300,000 tons/year from Jiaxing Jiahua have been put into operation in the second half of the year [4] - Demand: The real estate market is still in the adjustment phase, with large year - on - year declines in investment, new construction, and completion areas, and further drops in year - on - year growth rates. From January to November 2025, the national real estate development investment was 785.91 billion yuan, a year - on - year decrease of 15.9%. The sales area of commercial housing was 787.02 million square meters, a year - on - year decrease of 7.8% (residential sales area decreased by 8.1%); the sales volume of commercial housing was 751.3 billion yuan, a decrease of 11.1% (residential sales volume decreased by 11.2%). The new construction area of houses was 534.57 million square meters, a year - on - year decrease of 20.5% (residential new construction area decreased by 19.9%); the construction area of real estate development enterprises' houses was 6.56066 billion square meters, a year - on - year decrease of 9.6%. The completion area of houses was 394.54 million square meters, a year - on - year decrease of 18.0% (residential completion area decreased by 20.1%). The overall real estate market needs time to improve. As of the week of December 14, the sales area of commercial housing in 30 large and medium - sized cities increased by 13.80% week - on - week but is still at the lowest level in recent years. Attention should be paid to whether real estate favorable policies can boost commercial housing sales [5] - Inventory: As of the week of December 11, the PVC social inventory increased by 0.03% week - on - week to 1.0593 million tons, 27.63% higher than the same period last year. The social inventory increased slightly and remains high (Longzhong increased the social storage capacity in East and South China from 21 to 41) [6]

（文章来源：证券日报） 证券日报网讯 12月17日，凌玮科技在互动平台回答投资者提问时表示，公司发行募集资金所投项目将 显著扩大公司产能。项目建成并全面达产后，将大幅提升公司产品的生产能力，有效解决当前产能不足 的瓶颈，全面提升公司的市场竞争力。关于公司纳米二氧化硅的产能和均价的情况，请查阅公司披露的 定期报告。 ...

证券日报网讯 12月17日，奥克股份在互动平台回答投资者提问时表示，海南奥克20万吨/年环氧衍生绿 色能源新材料项目于2023年12月顺利开车。目前海南奥克保持良好的生产经营状态，具体经营业绩请参 阅公司发布的定期报告。 （文章来源：证券日报） ...

| 权益类证券大宗交易(协议交易) | | | | | | | 团 下载 | | --- | --- | --- | --- | --- | --- | --- | --- | | 交易日期 | 证券代码 | 证券简称 | 成交价格 (元) | 成交量 (万股/万份) | 成交金额 (万元) | 买方营业部 | 卖方营业部 | | 2025-12-17 | 000792 | 盐湖股份 | 26.68 | 150.00 | 4,002. 机构专用 | | 中国中金财富证券 有限公司青海分公 그 | 12月17日，盐湖股份大宗交易成交150万股，成交额4002万元，占当日总成交额的0.89%，成交价26.68 元，较市场收盘价26.98元折价1.11%。 ...

格隆汇12月17日丨龙蟠科技(603906.SH)在互动平台表示，针对日益增长的新能源汽车热管理需求，公 司推出了第三代低电导率冷却液，能够更有效地帮助新能源汽车进行热管理。针对算力飞速提升的数据 中心领域，公司已开发出一系列数据中心高性能冷却液产品，例如专为冷板式设计的高效冷却液 D4082，以及适用于数据中心浸没式冷却的D4008等。这些产品以其出色的电导率、优异的金属腐蚀保 护性能以及优异的非金属材料兼容性，赢得了市场的广泛认可。 ...

Core Viewpoint - The company aims to become a world-class chemical new materials technology firm, focusing on enhancing its industrial chain competitiveness and avoiding "involution" competition [1] Group 1: Company Strategy - The company is committed to developing market-competitive products as its core strategy [1] - It emphasizes "management leadership" and "technology leadership" to leverage its industrial chain advantages [1] - The company is focused on mastering core catalyst technologies and proprietary production processes to create differentiated products that meet customer needs [1] Group 2: Product Development - The company is advancing new products and new business initiatives in an orderly manner [1] - It is working on a hydrocarbon-based immersion liquid cooling fluid, which has high research and development difficulty and high added value [1] - Successful commercialization of this product is expected to yield significant added value [1]

Core Viewpoint - The company aims to become a world-class chemical new materials technology firm, focusing on enhancing its industrial chain competitiveness and avoiding "involution" competition [1] Group 1: Company Strategy - The company is committed to developing market-competitive products as its core strategy [1] - It emphasizes "management leadership" and "technology leadership" in its operations [1] - The company is advancing new products and businesses in an orderly manner while leveraging its industrial chain advantages [1] Group 2: Product Development - The company is focusing on proprietary production processes and core catalyst technologies to create differentiated products that meet customer needs [1] - The immersion liquid cooling fluid based on hydrocarbons is highlighted for its high R&D difficulty and high added value [1] - Successful commercialization of this product is expected to yield significant added value [1]

证券日报网讯12月16日，圣元环保（300867）在互动平台回答投资者提问时表示，公司目前在建的年产 40000吨化学药品(食品)原料牛磺酸项目进展顺利，已进入设备安装、装饰装修阶段。项目具体投产时 间以届时公司官方发布信息为准。 ...

Core Viewpoint - Zhenhua New Materials announced that as of the disclosure date, the total external guarantees provided by the company and its subsidiaries amount to RMB 1,232.30 million, which represents 27.89% of the company's most recent audited net assets [1] Summary by Categories - **External Guarantees** - The total external guarantee balance is RMB 1,232.30 million [1] - The guarantees are provided for wholly-owned subsidiaries Guiyang New Materials and Yilong New Materials [1] - **Financial Ratios** - The guarantee amount constitutes 27.89% of the company's latest audited net assets [1] - **Overdue Guarantees** - The company reports no overdue guarantees [1]