SDGI(SZ:000070) Mei Ri Jing Ji Xin Wen·2025-08-19 01:27Group 1 - The company has a leading advantage in the cable-making process of hollow-core optical fibers, which require systematic performance testing due to their fragile structure [1] - Hollow-core optical fibers are being advanced for applications in data center interconnections, high-frequency financial trading, and telemedicine [1] - The company has addressed technical bottlenecks in the cable-making of hollow-core optical fibers and has collaborated with partners to assist operators in launching the world's first 800G hollow-core optical fiber transmission technology trial network [3] Group 2 - The company is exploring future development opportunities for hollow-core optical fiber cables and is inquiring about new orders and potential breakthroughs in overseas markets [3]