The concept of compressors collectively strengthened, stocks like Shandong Zhanggu and others hit the daily limit.

Shandong Zhanggu, Joint Precision, Baida Precision, Xinlei Stock, and Hanzhong Precision Machinery have all hit the limit up, while Kuangshan Stock, Jintongling, Double Fly Group, Binglun Environment, and Kaille Stock have followed suit.