About Yongjie

Yong Jie New Material Co., Ltd. was established in 2003, is a national key high-tech enterprise specializing in the R&Dand manufacturing of high-performance and high-precision aluminum plates, trips and foils, and is commited toproviding customers with comprehensive aluminum alloy material solutions. The company was listed on the main boardof Shanghaiin March 2025(stock code: 603271), and successfully acquired Arconic (Qinhuangdao) and Arconic (Kunshan)in June 2026. With its outstanding technical strength and product quality, the company has successively won the titles of"China's Top Ten Aluminum Sheet and Strip Enterprises", the national "Single Champion Product" enterprise and the"National Green Factory". The trademark "Yong Jie Aluminum (YJL)" has been recognized as a well known trademarkinChina and a famous export brand in Zhejiang Province. The company possesses a complete production line covering hotrolling and casting rolling, and its products are widely used in lithium batteries, electronic appliances, vehiclelightweightand other fields. In terms of R&D, the company relies on national postdoctoral research workstations and provincialenterprise research institutes, and maintains close cooperation with universities and scientific research institutions suchas Central South University, University of Science and Technology Bejing, Zhejiang University, and Institute of Metals ofthe Chinese Academy of Sciences, and continues to deepen the collaborative innovation of "industry, university, researchand application". Focusing on key areas such as lithium batteries and consumer electronics, the company is committed todeveloping high - strength, high - toughness, and high - conductivity aluminum alloy materials, and actively expandingemerging markets such as heat transfer, sodium batteries, solid- state batteries, aerospace, and artificial intelligence.Through collaborative R&D and the creation of new application scenarios, the company continuously promotes theoptimization and upgrading of aluminum alloy materials, adheres to a customer-centric approach, pursues high-qualitydevelopment, and aims to become a world-class leader in new energy aluminum alloys.