石基信息：深圳市思迅软件股份有限公司是公司的控股子公司

Group 1 - The core point of the article is that Shiji Information (002153) is currently undergoing a restructuring project to acquire minority shares of its subsidiary, Shenzhen Sihon Software Co., Ltd. [1] - Shiji Information confirmed that Shenzhen Sihon Software is a controlling subsidiary of the company [1] - The restructuring involves issuing shares to facilitate the acquisition of the minority stake in Sihon Software [1]