On December 11, 2013, Austrian group, Minister of the Ministry of Commerce and development (SIT), the Ministry of quality and other leaders to Cangzhou City, Oriental Century City Project (58 Gen2-core) to visit the Great Wall group company maintenance and maintenance of elevator. After a day of study, Otis leadership of our maintenance Elevator gave highly recognized and praised, on-site maintenance staff dress, spirit, on-site standardization, maintenance staff operating procedures to give a high evaluation!