Which domestic manufacturers specialize in hotel room control system? How should I choose?

The room control system of Jinma Hotel is reliable, economical and humanized. At present, it has been widely used in hundreds of star-rated hotels in China, including Diaoyutai State Guesthouse, Olympic Games, government and military projects, and has successfully cooperated with major hotel management groups, such as Intercontinental, Carlson, Accord, Starwood, Jianguo, Yuehai and Shangri-La. The landlord is advised to use their products.