Core Viewpoint - Longyang Electronics (301389.SZ) is advancing its technology in high-frequency and high-speed copper foil, achieving a surface roughness RZ value of ≤0.2 micrometers, which positions the company for future applications in the 50GHz and above range [1] Group 1 - The company is utilizing unique advanced processes to continuously research high-frequency and high-speed copper foil technology [1] - The company has developed a product line, the PTS-2 series high-frequency copper foil (HVLP6 grade), which is intended to meet the technological iterations of customer products [1]

Core Viewpoint - Longyang Electronics is advancing its technology in high-frequency copper foil, achieving a surface roughness (RZ value) of ≤0.2 micrometers, which positions the company for future applications in high-frequency scenarios above 50GHz [2] Group 1 - The company is focusing on unique advanced processes to develop high-frequency and high-speed copper foil technology [2] - The PTS-2 series high-frequency copper foil (HVLP6 grade) is currently in the research and development phase and has not yet been sampled [2]

Core Viewpoint - The company has successfully developed advanced technology for high-frequency low-loss copper foil, specifically the HVLP6 grade, which is expected to be applicable in scenarios above 50GHz [1] Group 1: Product Development - The company has achieved a surface roughness RZ value of ≤0.2 micrometers for its copper foil technology [1] - The PTS-2 series high-frequency copper foil (HVLP6 grade) is currently in the research and development phase and has not yet been sampled [1] Group 2: Future Applications - The HVLP6 grade copper foil is designed for future applications in high-frequency environments exceeding 50GHz [1]