受行业周期、经济环境、市场竞争等多方因素影响， 今年以来世界化工巨头因精简瘦身所推进的业务变动、工厂关停等动作尤为频繁。 【DT新材料】 获悉，6月17日， 奥升德功能材料公司 宣布，决定开始有序关闭位于中国连云港市的己二胺生产工厂 。 奥升德 方面表示，这一决定是在对该工厂在不断变化的市场动态和监管环境下的长期可行性进行全面评估后所做出的。此外 ，公司在中国的其他业 务，包括苏州生产基地，将继续正常运营，并预计于今年下半年完成《美国破产法》第十一章流程，进一步优化业务结构。 据了解， 奥升德连云港己二胺生产工厂 是公司在美国以外的第一座化工生产基地，也是其在美国以外的最大投资项目。该项目位于江苏省连云港市徐 圩新区， 2022年1月签约、9月开工，2023年10月试产，2024年10月正式开业。 工厂一期投资约12.9亿元人民币，原计划年产20万吨己二胺，投 产后使奥升德全球己二胺产能提升了约50% 。工厂 关闭后，公司产能核心将回归美国本土基地。 奥升德 是全球最大的尼龙66一体化生产商， 在北美、欧洲和亚洲均设有全球生产基地 ， 产品广泛应用于汽车、电子电气、工业纤维、消费品等诸多 领域。2025年迄今 ...

Group 1 - The domestic production of adiponitrile is accelerating, and the demand for civilian silk is expected to be released, indicating a broad growth space for nylon 66 (PA66) [1] - Currently, the application ratio of nylon 66 in civilian silk is low (13%), but successful breakthroughs in civilian silk technology could partially replace the nylon 6 market, which had a consumption of 4.35 million tons in 2023 [1] - China's reliance on imports of adiponitrile from the US has been high, with US companies holding a significant share of global production capacity, leading to potential price fluctuations due to trade tensions [1][2] Group 2 - Invista's adiponitrile production capacity in Shanghai is primarily for internal supply, limiting external sales, while the domestic project by China Chemical has successfully overcome technical barriers [2] - The production cost of adiponitrile is approximately 11,600 yuan per ton, with key raw materials including butadiene, natural gas, and liquid ammonia [2] - The project by China Chemical is expected to benefit from the acceleration of domestic adiponitrile replacement and increased demand for civilian silk [2] Group 3 - The profitability of the adiponitrile project is projected to be strong, with break-even prices estimated at 17,700 yuan per ton at 150% capacity utilization and 19,000 yuan per ton at 100% utilization [3] - The average price of domestic adiponitrile since May has been around 22,200 yuan per ton, close to the break-even line at 50% capacity utilization [3] - The projected net profits for the company from 2025 to 2027 are expected to grow by 12.7%, 13.4%, and 11.2% respectively, with current price-to-earnings ratios of 7.5, 6.6, and 6.0 times [3] Group 4 - The company is recommended for continued focus due to significant earnings elasticity from industrial projects, accelerated execution of overseas contracts, and strong cash flow [4]