Beijing tiancheng network technology ltd. Is the country's top-ranked o2o service operator and solution provider. The company uses mobile interconnected ecological business alliances and city-to-city information convergence as entry points, opening markets with regional market niches as a core operating model, and successfully building and operating a one-stop eco-circle with city e-commerce/life services. The company’s core team members are from well-known internet enterprises in the country, young, sensitive and dynamic, and in the era of mobile interconnections, with professionalism, professionalism, passion, innovation and customer-centred, business-based and partner-led service guidelines, based on its own strengths in mobile-end development and operation, and with advanced technological research and development, mature and efficient platforms, win-win business services, and better access to the internet+ for users, traders, and partners. Development of engineering design...