หินควอตซ์สีดำกับหลอดเลือดดำสีขาวพื้นวิศวกรรมจีนหินควอตซ์เทียม

The project is a large-scale three-in-one project of hotel, apartment and office building. The project includes the Bulgarian National Bank Office Building, Millennium Hotel Sofia, and a high-end apartment building. The Millennium Hotel Sofia is the tallest building in Bulgaria.