East China test: Shareholders intend to reduce their shareholding by no more than 2.0577% of the company's shares.

Donghua Test Announcement: Controlling shareholder Liu Shigang and concerted actors Luo Mian, Liu Peiyao, Wang Rui, and Qu Zhe plan to reduce their holdings by no more than 2,840,000 shares, accounting for 2.0577% of the total share capital of the company excluding shares held in the repurchase special account, within three months after the announcement date, starting from the fifteenth trading day. Among them, Liu Shigang plans to reduce his holdings by no more than 1,000,000 shares, Luo Mian by no more than 1,700,000 shares, Liu Peiyao by no more than 80,000 shares, and Wang Rui and Qu Zhe by no more than 30,000 shares each. The reason for the reduction is personal fund needs, and the reduction price will be determined based on market prices.