Shanxi Tianhong Luqiao Company. Wutai County is located in the northeast of Shanxi Province and belongs to Xinzhou City, Shanxi Province. Shanxi Tianhong Road and Bridge Company won the bid for the high-speed project from here to Fan Shi because of its low bid price and high quality. Winning the bid refers to the behavior that the tenderee sends a bid-winning notice to the selected bidder and signs a written contract with it within the specified time.