1. According to the enquiry of China Travel Service. Oral commitment itself is not a reliable legal evidence in commercial transactions. In many legal systems, in order to ensure the fairness and security of transactions, a written agreement is needed.
2. The behavior of the company needs to be tested by internal and external laws. A shareholder owns half of the company's shares and makes a verbal commitment. However, whether this commitment can represent the company's behavior depends on the company's articles of association, agreement and other relevant laws and regulations.