Good morning and good evening everyone. 2021 was another challenging year, cost and the variation and resurgence of COVID-19 and of course, many uncertainties to the lodging industry. At the same time, global macro conditions are also becoming increasingly complex. Since China's economic development strategy is changing from high-speed growth to high-quality development. We also adjusted our strategy from previous upscale growth for sustainable quality goals, focusing on high-quality hotel development. With the new strategy, we should be able to achieve a sustainable and the quality growth created greater value to our customers, employees and franchisees and make the industry [equal] [ph] by leveraging on our unique three-in-one unique model, which include brand, traffic and the technology. Under the sustainable quality growth strategy, the growth is still the main thing. However, the growth relies on two critical conditions. One, it is called precision or accuracy, by leveraging on Huazhu Hotel technology and innovative capability as well as a people-oriented organization from [indiscernible]. We can see more precise and accurate operations to achieve high efficiency and quality. Moreover, the precision also requires us to benchmark world-class companies on talent cultivation, reservation, in order to maximize the staff efficiency in the company. In addition, both products and service should also be changed not good enough and more for previously, for simplicity, concentration, perfection focused on core strategy. Success or failure is often determined by tiny details in hotel business. Hence precision becomes more and more important. Another condition is called value or benefit. It means value creation, long-term focus and social benefit. Also, we're continuously focused on creating greater values to our stakeholders along the value chain of lodging. Also, we would insist on doing difficult other things and the long-term focus. Last but not least, we will also focus on ESG development, environmental protection, carbon emission reduction, social welfare and corporate social responsibility to bring long-term benefits to our customers, employees, franchisees, owners, shareholders, communities and countries. With that I will turn the call to Jin Hui to discuss our development and focus.