世嘉科技(002796.SZ)：本公司参股企业光彩芯辰主营业务涉及光通信领域

Group 1 - The core viewpoint of the article is that Sega Technology (002796.SZ) has a stake in a company called Guangcai Xincheng, which operates in the optical communication sector [1] Group 2 - Guangcai Xincheng's main business involves the optical communication field [1]