Group 1 - The company has confirmed that its low dielectric glass fiber can be used in the PCB field, highlighting its importance as a fundamental material in the electronics industry [2] - The electronic-grade glass fiber produced by the company exhibits excellent electrical insulation properties, outstanding fire resistance, and remarkable aging resistance [2] - The company's independently developed low dielectric glass fiber for 5G applications has already been utilized in high-end mobile phones and key wave-transmitting products for 5G high-frequency communication [2]