1. Baidu map shows that there is Liansheng Port Engineering Construction Company in Dalian, Liaoning Province, which has the first-class qualification of port and waterway engineering general contracting and the second-class qualification of construction engineering general contracting.
2. Dalian Harbor Engineering Co., Ltd. is a comprehensive port construction enterprise wholly owned by Hunan Construction Engineering Group Co., Ltd., and has the first-class qualification of general contracting enterprise for port and waterway engineering construction.