PCB drill concept gains momentum, Zhongtung High-tech seals limit up to reach a new historical high.

The concept of PCB drilling needle is gaining momentum, Zhongtung High-Tech hit the limit up and reached a historical high, with a total market value exceeding 160 billion. Dingtai High-Tech rose more than 15%, Eurotech, Xinrui Technology, Wald and others have seen significant increases.