Group 1 - The article reports that Zhang Wenming, the former deputy governor of the Guizhou branch of the Bank of China, is under disciplinary review and investigation for serious violations of discipline and law [2] - Zhang has a long history with the Bank of China, having served in various roles including assistant president and deputy governor, and he has participated in numerous external activities [2] - After leaving the Bank of China at nearly 55 years old with an annual income of approximately 1.5 million yuan, Zhang started multiple businesses and took on various social roles [2] Group 2 - Ming Sheng Investment Group, founded on May 25, 2020, has a registered capital of 2 million yuan and is based on the foundations of two earlier companies [3] - The group operates in four main sectors: finance, health, industry, and education [3] - Zhang serves as the legal representative and chairman of Ming Sheng Investment Group, and he holds several other significant positions in financial and educational institutions [3]