How many stars is Vienna Hotel Jinan?

Vienna Hotel Jinan has not been rated as a listed star. According to relevant information, Vienna Hotel was built according to the 4-star standard, but it was not rated as a listed star. Vienna Hotel Co., Ltd. was established in 1993, with the core values of "comfort and elegance, top food, luxurious quality, safety and environmental protection, music and art, leading health". There are also comments that Vienna Boutique Hotel is actually a simplified version of a five-star hotel, which retains the core functions of five-star hotels, such as luxury lobby, gourmet restaurant, coffee shop, exquisite rooms, advanced bedding, advanced bathroom system, ready-to-use office, business center, self-service laundry and other core functions, basically reaching the five-star level.