How many subsidiaries does Shandong Expressway have?

13. Shandong Expressway Co., Ltd. is a listed company controlled by Shandong Expressway Group Co., Ltd. Its core business is investment, construction, operation and management of transportation infrastructure such as roads, bridges and tunnels, with total assets exceeding 300 billion yuan. The subsidiaries of Shandong Expressway include Shandong Expressway Investment and Development Co., Ltd., Shandong Expressway Rail Transit Group Co., Ltd., Hubei Wujing Expressway Development Co., Ltd., Luzhou Southeast Expressway Development Co., Ltd., Shandong Expressway Qilu Construction and Transportation Management Service Co., Ltd. and other 13 subsidiaries.