1, Chief Operating Officer (COO), also known as Chief Operating Officer, is the position to formulate the long-term strategy of the enterprise and supervise the general managers of all branches to carry out their work. Mainly responsible for the daily operation of the company and assisting the CEO's work. Be responsible for the CEO and the operation and management of the enterprise. COO serves as president in some companies, but they are usually standing or senior vice presidents.

2. If the company doesn't have the position of president, COO should also undertake the functions of overall business management, be in charge of enterprise marketing and comprehensive business development, be responsible for establishing the company's entire sales strategy and policy, organize production and operation, assist the CEO in making the company's business development plan, and evaluate the company's business performance.