YLchina is a high-quality blockchain asset launched by the first business travel network (Denmark Coex company). The first business travel network is committed to and through the construction of specialization, branding and networking, focusing on providing low-cost, high-transparency and high-efficiency business travel for small and medium-sized enterprises, departments under the jurisdiction of district and county governments, and enterprises and institutions. Travel management services, while building a cloud platform based on blockchain technology for corporate travel customers and all businesses, including multiple chain combinations including team development, incentive travel, conference training, guide services, and local specialties.