Zheng Quan Shi Bao·2025-10-31 15:32Group 1 - Four A-share listed companies announced their resumption of trading on November 3, 2025 [1][3][4] - Gongjin Co., Ltd. signed a share transfer agreement with Tangshan Industrial Holding Group, changing its controlling shareholder to Tangshan Industrial Holding [1] - Weigao Blood Purification plans to acquire 100% equity of Weigao Purui, enhancing its product line in the pharmaceutical packaging sector [2][3] Group 2 - Weigao Group, the second largest shareholder of Weigao Blood Purification, is involved in an internal asset optimization transaction that does not change the actual controller [2] - Zhongyuan Co., Ltd. has transferred voting rights to Zhu Shuangquan and Zhu Shunquan, resulting in a change of actual controller [3] - Dongtu Technology intends to acquire 100% of Beijing Gaoweike Electric Technology through a combination of share issuance and cash payment [4]