GreenTree Inn Select Hotel Tianjin Cultural Center The Second Hospital of Tianjin Medical University Branch features the 4.0 product. The design of GreenTree Inns 4.0 product is eye - catching. Its a brand - new upgrade and a remarkable creation, presenting a simple and elegant style with a comfortable low - saturation color scheme. The hotel offers 30 - second check - in, robot delivery service, and a 24 - hour laundry room. The surrounding area is fully equipped with facilities and has numerous universities. The hotel is a 20 - minute drive from the National Convention and Exhibition Center and enjoys convenient transportation.