Oriental Yongjian (Beijing) Culture Media Co., Ltd. As of July 24, 2023, the official information released by Beijing Changming Hospital showed that Beijing Changming Hospital Advertising Sales was a trademark applied by the applicant Oriental Yongjian (Beijing) Culture Media Co., Ltd. on September 23, 2022. Oriental Yongjian (Beijing) Culture Media Co., Ltd. is located in Sunhe, Jingshun Road, Chaoyang District, Beijing.