Five-star hotel of Haidi Building in Haifeng County. Haidi Mansion in Haifeng County is a super-city complex integrating five-star hotels, restaurants, office buildings, houses, nurseries, businesses, leisure sports and other functions. The project includes 6 high-rise residential buildings, 1 super high-rise hotels and office buildings, among which the super high-rise hotels have signed contracts with Windham International Hotel Group, the largest and most diversified hotel group enterprise in the world.