Dual-gun Technology: Director Zhou Zhaocheng plans to reduce his holdings by no more than 0.32%.

Shuangqiang Technology announcement: Director Zhou Zhaocheng holds 921,400 shares, accounting for 1.30% of the total share capital. He plans to reduce his holdings by no more than 230,400 shares, or 0.32% of the total share capital, through centralized bidding within 3 months after the disclosure date of the announcement, starting from 15 trading days later. The source of the reduction shares is the shares issued before the initial public offering.