Group 1 - The core viewpoint of the article is that Xinyi Chang (688383.SH) has developed a composite copper foil integrated forming machine through its subsidiary Haiwei Vacuum, which is primarily used in the film capacitor and lithium battery industries [1] - The integrated forming machine is designed for applications in composite current collectors and PET coating for flexible displays, but it is not suitable for PCB copper foil [1]

Core Viewpoint - The 26th China International Optoelectronic Expo (CIOE 2025) has commenced in Shenzhen, showcasing advancements in high-end intelligent manufacturing equipment, particularly in the vacuum equipment sector by Shenzhen Xinyi Chang Haiwei Vacuum Equipment Co., Ltd. [1] Group 1: Company Overview - Shenzhen Haiwei Vacuum, a core member of Xinyi Chang, focuses on the research and manufacturing of core vacuum equipment in the fields of new energy, new materials, optoelectronics, and semiconductor chips [1] - The company has developed the world's first integrated forming machine for composite copper foil, demonstrating its innovative capabilities in the semiconductor vacuum equipment and composite copper foil winding equipment sectors [1] Group 2: Technological Advancements - Haiwei Vacuum has made significant progress in the optical coating field, overcoming several critical technological challenges and securing multiple core patents [1] - The company aims to provide ultra-high quality coating and vacuum technology solutions to its clients, reflecting its commitment to technological innovation [1] Group 3: Industry Collaboration - The participation in the expo is seen as a strategic opportunity for Haiwei Vacuum to collaborate with industry partners and promote innovation and application in material preparation technology [1]