北交所策略专题报告：氨纶行业竞争格局进一步改善，关注北交所美邦科技

Group 1 - The spandex industry is experiencing significant capacity exits, which is expected to alleviate the oversupply situation. Korean Taekwang Group announced the suspension of some spandex production lines at its Chinese subsidiary starting July 14, 2025, marking the first closure of a spandex plant in China by the group [1][10][11] - Xiaoxing Spandex has already shut down 8 production lines by the end of 2023, with plans to close 2 more in July 2025 and an additional 2 by March 2026, ultimately ceasing operations by the end of 2026. The core raw material PTMG (polytetramethylene ether glycol) has seen a 23% year-on-year increase in costs due to high international oil prices, but domestic companies have achieved over 80% localization of PTMG, reducing costs to 60% of imported products [1][11][12] - In 2024, the proportion of domestic spandex procurement by Chinese sports brands surpassed 75% for the first time, with leading companies like Anta and Li Ning collaborating with spandex manufacturers to create a closed-loop ecosystem from R&D to production. Foreign brands have seen their market share shrink to less than 12% [2][11][12] Group 2 - The chemical new materials sector on the North Exchange saw a weekly increase of 0.10%, ranking third among five major industries. The rubber and plastic products sector rose by 1.36%, while textile manufacturing fell by 3.08% [3][19][20] - Notable individual stock performances included Guangxin Technology (+8.66%), Kaida Catalysis (+8.26%), and Yinuowei (+8.16%), indicating strong market activity within the chemical new materials sector [3][23][24] - The price trends for chemical products showed a 1.5% decrease in Brent crude oil prices, while TDI prices surged by 23% and MDI prices increased by 1.8% [27][29][35]