Shandong Hi-Speed Group Corporation or Shandong Gaosu Group (Chinese: 山东高速集团有限公司), (SDHS), is a solely state-owned enterprise in Jinan, China, owned by the Shandong Provincial People's Government. It is mainly engaged in investment, construction and operation of highways, expressways, bridges, railways, rail transits, harbours, shipping and logistics. It also sets foot in construction, building material, information, financing, real estate and other sectors related to its main business. In June 2011, SDHS opened the Jiaozhou Bay Bridge spanning more than 40 kilometers between Qingdao and Huangdao District in Shandong, making it the longest cross-sea bridge in the world. SDHS has extended its business to more than 22 provinces domestically and 106 countries and regions. SDHS is operating and managing 2800 km of expressways and another 1127 km is under construction. It also operates and manages 586 km of local railways and 743 km is under construction. On behalf of the Provincial Government, SDHS has completed the investment and construction of the Shandong Section of Beijing-Shanghai Hi-Speed Railway. In 2017, SDHS reported profits of US$1.3 billion. At the new starting point, the group will adhere to the spirit of the Fifth Plenary Session of the CPC Central Committee of the CPC and the 13th Five-Year Development Plan in Shandong Province as the guidance, take scientific development as the theme, transformation and upgrading as the mean, reform and innovation as the driving force, the share mechanism as the bond, the perfection of corporate governance structure as the key, the capital operation as the support, quality and efficiency as the purpose and the political core of the party as the guarantee to realize the "Hi-speed dream" of "Build the Hi-speed Group in China, Be World Top 500 and Enrich Staff". Corporate history SDHS was originally incorporated with the approval of the Shandong Provincial People's Government in July 1997 as the Shandong Province Highway Limited Corporation. Since then SDHS has gone through a series of name changes as its ownership situation and corporate mission have evolved, changing first to the Shandong Province Highway, LLC in June 1999, and then to the Shandong Province Highway Group Company in January 2005, before adopting its present name in January 2008. SDHS also possesses the ownership of 30 affiliated groups and companies, which includes: Shandong Hi-Speed Company Ltd (A representative of the blue chips of the listed companies with the largest assets in the field of highway and bridge engineering