天海防务：中国长城资产管理股份有限公司减持302.78万股

Group 1 - The core point of the article is that Tianhai Defense (300008.SZ) announced a share reduction by China Great Wall Asset Management Co., Ltd. due to operational and funding arrangements [2] - From December 22 to December 23, China Great Wall Asset Management reduced its holdings by 3,027,800 shares, which represents a reduction of 0.18% [2] - Following this reduction, China Great Wall Asset Management's shareholding in Tianhai Defense has decreased to 5% [2]