GENEVA, July 28 -- CHINA HIGHWAY ENGINEERING CONSULTANTS CORPORATION (17 Changyungong, Xisanhuan North RoadHaidian District, Beijing 100089), 中国公路工程咨询集团有限公司 (中国北京市海淀区西三环北路昌运宫17号), CHECC HIGHWAY MAINTENANCE AND TEST TECHNOLOGY CO., LTD. (908, Building A, Jiahao International Center, 116 Zizhuqiao RoadHaidian District, Beijing 100097), 中咨公路养护检测技术有限公司 (中国北京市海淀区紫竹...