CCCC Tunnel Engineering Company Limited（中交隧道工程局有限公司）

CCCC Engineering Bureau Co., Ltd. is a wholly-owned subsidiary of China World Construction Corporation, which is a Fortune 500 company. Its business scope covers engineering construction, investment and development, transportation operations, survey and design, material trade and other fields. A comprehensive large state-owned enterprise that has contracted special qualifications and 29 construction industry qualifications.