通光线缆：公司的深海电缆正处于市场开拓状态，尚未达产

Core Viewpoint - The company is currently in the market development phase for its deep-sea cables and has not yet reached production capacity. The joint venture with Changfei Optical Fiber is actively engaged in research, production, and sales of optical fibers and cables, with teams from both parties officially commencing work [2]. Group 1 - The company's deep-sea cable is in the market development stage and has not yet achieved production [2]. - The joint venture with Changfei Optical Fiber focuses on the research, production, and sales of optical fibers and cables [2]. - Teams from both the company and Changfei Optical Fiber have officially started their collaborative efforts [2].