The highest level. The chairman is the highest level of the company. The chairman is elected by the members of the board of directors, and he is also a member of the board. However, the chairman of a company is usually the largest shareholder of the company. Baotou Aluminum (Group) Company, formerly known as Baotou Aluminum Factory, was founded in 1958. It was the first electrolytic aluminum enterprise in Inner Mongolia Autonomous Region and one of the eight largest aluminum factories in China at that time.