Shandong Gaosu Group
 Shandong Gaosu Group or Shandong Hi-Speed Group Corporation (Chinese: 山东高速集团有限公司) (SDHS) is a state-owned enterprise in Jinan China engaging in the construction and management of transportation infrastructure throughout the People's Republic of China. SDHS is owned by the Shandong Provincial People's Government and plays a major role developing and managing highways airports and seaports throughout the province.