What is the relationship between China Construction Dacheng and China Construction Third Bureau?

Company at the same level. Official website shows that China Construction Dacheng is a Sino-Japanese joint venture established by China Construction Group Co., Ltd. and Japan Dacheng Construction Co., Ltd. on 1986, mainly engaged in housing construction, infrastructure construction, investment and development, etc. China Construction Third Engineering Group Co., Ltd. is a wholly-owned subsidiary of China Construction Group Co., Ltd., which was established in July 1965. Is a multi-functional, group operation of state-owned large-scale construction and installation backbone enterprises. China Construction Dacheng and China Construction Third Bureau are both subsidiaries of China Construction Group Co., Ltd., and they are companies of the same level, and there is no affiliation.