Photonic chip listed companies are

Does the subject want to ask "What are the listed companies of photonic chips"? Photonics, Saimicroelectronics, Cambridge Technology, Xinyisheng, Chen, Bochuang Technology, Sudawig, Fiberhome Communication, Tianfu Communication, Hite High-tech, etc. According to the ranking information of listed companies of photonic chips, as of May 15, 2023, the listed companies of this product include: Photonics, Semitronics, Cambridge Technology, Xinyisheng, Chen, Bochuang Technology, Sudawei, Fiberhome Communication, Tianfu Communication, Hite High-tech, etc.