Group 1 - The core viewpoint of the article highlights that the company XingShuaiEr is actively expanding its business in the optical communication and sensor components sectors through its subsidiary Huajin Electronics [2] - The company has established supply cooperation relationships with clients such as Guangdong Zhaochi Ruigu and Hubei Mingpu Optoelectronics, indicating a strategic focus on emerging fields [2] - The optical communication and sensor components business is identified as a strategic development direction for the company, which is currently generating sales [2]

Core Viewpoint - The company XingShuai (002860.SZ) is actively expanding its subsidiary Huajin Electronics into emerging fields, particularly focusing on optical communication and sensor components [1] Group 1: Business Development - Huajin Electronics has established supply cooperation relationships with clients such as Guangdong Zhaochi Ruigu and Hubei Mingpu Optoelectronics [1] - The company is committed to monitoring industry development trends and leveraging its technological accumulation to steadily advance related businesses [1]