1. Chief Operating Officer (COO), also known as COO, is the position to formulate the long-term strategy of the enterprise and supervise the work of the general managers of each branch. Mainly responsible for the daily operation of the company and assisting the CEO. Be responsible for the CEO and the management of the enterprise. Chief operating officers are presidents in some companies, but they are usually executive or senior vice presidents.

2. If the company does not have the post of president, the chief operating officer should also assume the function of overall management, be in charge of enterprise marketing and overall business development, be responsible for formulating the company's entire sales strategy and policy, organize production and operation, assist the CEO in formulating the company's business development plan, and assess the company's operating performance.