The optical fiber concept fluctuated and strengthened. Science and Technology Optoelectronics rose and stopped “20cm”. Tongding Internet was previously closed, and Changfei Optical Fiber, Fenghuo Communications, Hengtong Optoelectronics, and Shenglan shares followed suit.

The optical fiber concept fluctuated and strengthened. Science and Technology Optoelectronics rose and stopped “20cm”. Tongding Internet was previously closed, and Changfei Optical Fiber, Fenghuo Communications, Hengtong Optoelectronics, and Shenglan shares followed suit.