1. CCCC First Harbor Engineering Company Ltd. 1 , Tianjin, China
2. Tianjin Port Engineering Institute Co., Ltd., of CCCC First Harbor Engineering Co., Ltd. 2 , Tianjin, China
3. No. 3 Engineering Co., Ltd., of CCCC First Harbor Engineering Co., Ltd. 3 , Dalian, China
4. Tongji University 4 , Shanghai, China