1. The first level: Enjoy both felicity and longevity.
2. The second level: Mutual development; Persistence and tenacity; Continued ascension; Firm and strong.
3. The third level: Simulation shares; Learning, cooperation, innovation; Nine-level promotion; Gratitude, endurance, self-discipline.
4. The fourth level: The integration of development strategy; Low cost competition strategy; The second technology strategy; Internet plus lead strategy; Internationalization strategy; Platform construction and pooling resources.
