天眼查：刘国梁关联多家企业，持股人法人包括妻子岳父、王楠夫妇

Core Insights - The business collaboration between Wang Nan and Liu Guoliang has undergone significant changes, reflecting their entrepreneurial journey and the impact of personal relationships on business operations [1][15]. Group 1: Business Collaboration - Wang Nan, Liu Guoliang, and entrepreneur Guo Bin started a business in Weihai, Shandong in 2017, with Wang Nan and Liu Guoliang being the "behind-the-scenes bosses" of the dual Olympic champions [3]. - There are currently 17 companies registered in Weihai related to Wang Nan and Liu Guoliang, indicating a substantial business presence in the region [3]. - The company "Qin Jian Sports Culture Media (Weihai) Co., Ltd." was established in September 2016, with initial shareholders including Wang Nan, Guo Bin, Liu Guoliang, and Wang Jin, each holding 25% [14]. Group 2: Changes in Leadership and Shareholding - Following Liu Guoliang's resignation from the table tennis association in November 2017, significant changes occurred in the leadership structure, with Gao Yuanyi and Ma Long being elected as vice presidents [7]. - In September 2018, the shareholding structure changed, with Wang Nan, Liu Guoliang, and Wang Jin's combined share dropping from 40% to 20%, while Guo Bin's share increased from 30% to 40%, indicating a shift in control [9]. - The restructuring of shareholding may be linked to the management of personal relationships within Liu Guoliang's circle, as Guo Bin, lacking familial ties, gained more influence [9][15]. Group 3: Regional Importance - Weihai has been designated as a national training base for the table tennis team and an important city for hosting major events, highlighting its significance in the sport [12]. - The ongoing utilization of Weihai's table tennis resources is expected to contribute to the development of the national table tennis industry [7].