Fiber optic concept warms up slightly, Zhongtian Technology approaches limit up to create new historical highs

The concept of optical fiber is rebounding locally, and Zhongtian Technology is approaching the daily limit, setting new historical highs. Earlier, Taihe New Material had two consecutive limit-up moves, and Hengguang Corporation, Quartz Corporation, Hengtong Optic-Electric, and others followed the upward trend.