8月28日增减持汇总：暂无增持，上纬新材等21股减持（表）

Core Viewpoint - As of August 28, no listed companies have disclosed any increase in shareholding, while 21 companies have announced share reductions by their shareholders [1]. Summary by Category Share Reduction Announcements - Keg Precision Machinery: Controlling shareholder plans to reduce holdings by up to 3% [2] - Oulu Tong: Controlling shareholder and actual controller's concerted action party plans to reduce holdings by up to 1.74% [2] - Nanmo Biology: Plans to reduce repurchased shares by up to 1% of total share capital [2] - Weike Technology: Three shareholders plan to transfer a total of 2.99% of total share capital [2] - Jino Medical: Shareholder plans to reduce holdings by up to 0.04% [2] - Zhejiang Shiyu: Controlling shareholder plans to reduce holdings by up to 2% [2] - Zhongke Tongda: Shareholder Wuhan Gaoke plans to reduce holdings by up to 1% [2] - Chunzong Technology: Multiple shareholders plan to reduce holdings by up to 2% [2] - Wantong Expressway: Shareholder China Merchants Highway plans to reduce holdings by up to 3% [2] - Tai Rui Machinery: Actual controller Zheng Jianguo plans to reduce holdings by up to 2.95% [2] - Haotong Technology: Actual controller Xia Jun and specific shareholder Xuzhou Botong plan to reduce holdings by up to 3% [2] - Changsheng Bearing: Some senior management plans to reduce holdings by up to 1.2% [2] - Dongtian Micro: Shareholder plans to reduce holdings by up to 0.57% [2] - Aojie Technology: Shareholder Ali Network plans to reduce holdings by up to 3% [2] - Bocheng Shares: Some directors and senior management plan to reduce holdings [2] - Rongtai Shares: Shareholder Tai'an Runtu plans to reduce holdings by up to 1.05% [2] - Shangwei New Materials: Jinfeng Investment Holdings has completed the reduction of 4.0336 million shares [2] - Zhongchu Logistics: Senior management member Chu Xuri plans to reduce holdings by up to 0.09% [2] - Hengsheng Energy: One of the actual controllers, Gan Shunxian, plans to reduce holdings by up to 2% [2] - Jinghua New Materials: Controlling shareholder plans to reduce holdings by up to 3.01% [2] - New Coordinates: Shareholder plans to reduce holdings by up to 1% [2]