The concept of optical fiber is becoming increasingly active, and Zhongtian Technology has hit the daily limit to achieve a record high.

Recently, the concept of optical fiber has been repeatedly active, Zhongtian Technology has hit the limit up, reaching a historical high, Tongding Interconnect has hit the limit for 3 days out of 2, Hangdian Stock, Hengtong Optoelectronics, Changfei Optoelectronics, and FARSHINE are among the top gainers.