1, Qingdao Hongjian Investment Co., Ltd.
2. Qingdao azure biological products co., ltd.
3. China Railway Construction Port and Shipping Bureau Group Third Engineering Co., Ltd. ..
4. Hongdao, such as Shandong Architectural Design Institute Co., Ltd. of China Railway First Hospital Group, now refers to Hongdao Economic Zone or Hongdao Sub-district Office in Qingdao, formerly known as Yindao, and was renamed Hongdao in 1967 65438+ 10.