Group 1 - The company Tongguang Cable is currently in the market development phase for its deep-sea cables, which have not yet reached production capacity [2] - The company has established a joint venture with Yangtze Optical Fibre and Cable Joint Stock Limited Company, focusing on the research, production, and sales of optical fibers and cables [2] - Teams from both companies have officially commenced work on the joint venture [2]

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].

Group 1 - The company is currently in the market development phase for its deep-sea cables, which have not yet reached full production capacity [1] - A joint venture with Yangtze Optical Fibre and Cable Co., Ltd. has been established to focus on the research, production, and sales of optical fibers and cables [1] - Teams from both companies have officially commenced work on the joint venture [1]