GUHAN-PHARMA(SZ:000590) Sou Hu Cai Jing·2025-12-29 02:43Core Viewpoint - The company Tsinghua Tongfang Pharmaceutical has officially changed its name to Guhanshan Medicine, effective December 23, 2025, while retaining its stock code "000590" [4]. Group 1: Company Name Change - The name change has been approved by the Shenzhen Stock Exchange and is part of a broader brand strategy to enhance consumer and investor recognition [4]. - The company previously underwent a change in controlling shareholder due to a financial dispute, with Hunan Sailoxian Management Consulting acquiring a 24.47% stake for 1 billion yuan [5]. Group 2: Historical Context - The company was originally listed as Hunan Traditional Chinese Medicine Co., Ltd. in 1996, becoming the first publicly traded pharmaceutical company in Hunan Province [6]. - Guhanshan Medicine's flagship product, Guhanshan Essence, has generated cumulative sales of approximately 7 billion yuan since its launch in 1986, achieving a sales record of 4 units per second [5].