What is the grade of Greenland Central Mansion?

According to official website Maigoo brand list, Greenland Central Mansion is a high-end residential project in the core area of Jinan CBD. IFC Central Mansion in Greenland is one of the famous mansions in Jinan, with a total construction area of 1.6 million square meters. Its business format covers 800,000 square meters of Haipo mansion with green space, 420-meter skyscraper headquarters office building, star-rated hotel, high-end theme business, commercial street, central park, boutique apartment and so on. It integrates architecture, science and technology, intelligence and livability.