Zhejiang Jiemei Electronic And Technology (SZ:002859) Ge Long Hui·2026-01-29 07:25Core Viewpoint - Jiemai Technology (002859.SZ) is focusing on the development and production of composite copper foil and PCB carrier copper foil products, aiming to enhance its position in the market [1] Group 1: Company Developments - Jiangxi Rouzhen (formerly known as "Hongmei New Energy") will prioritize the development and production of composite copper foil and PCB carrier copper foil products [1] - The company’s affiliate, Beijing Critical Field Technology Co., Ltd., is dedicated to the industrialization breakthroughs of copper-based high-temperature superconducting materials and related application technologies, aiming to break foreign technology monopolies [1] - The copper foil products from the company’s affiliate, Rouzhen Technology, are currently undergoing sample testing for enterprises in the PCB industry chain [1]