The concept of quantum technology is fluctuating and rebounding, hitting the daily limit in Qi Anxin's USB drive.

The concept of quantum technology fluctuates and rebounds, Qihoo 360 USB sticks hit the daily limit, Guanqu Technology, Tengjing Technology, Zhongji Xuchuang, Hengtong Optoelectronics, Tianrongxin, Kehua Data, etc. follow the trend.