CCCC Second Harbor Engineering Bureau Co. Ltd. is a Chinese company located in Wuhan and ultimately controlled by the Government of China. The firm provides civil engineering and municipal construction services.

CCCC Highway Long Bridge Construction National Engineering Research Center Co., Ltd., established on 2012-04-20, Business scope includes engineering project management;Engineering Technology Development,Technical Services,technical consulting;Engineering survey and design;Engineering Supervision;Construction General Contracting(Does not include high-end hotels,Construction of high-end office buildings and international convention and exhibition centers,operate);Professional contractors;Wholesale Computer Software and Hardware,Equipment,building materials.(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

Kajima Corp. engages in the construction, real estate development, architectural design, and civil engineering businesses. It operates through the following segments: Civil Engineering, Building Construction, Real Estate Development and Other, Domestic Subsidiaries and Affiliates, and Overseas Subsidiaries and Affiliates. The Civil Engineering segment provides civil engineering works and construction service. The Building Construction segment offers building construction works. The Real Estate Development and Other segment covers real estate development and architectural, structural and engineering businesses. The Domestic Subsidiaries and Affiliates segment sells construction materials. It also deals in special construction and engineering services and manages leasing and rental businesses in Japan operated by domestic subsidiaries and affiliates. The Overseas Subsidiaries and Affiliates segment handles overseas construction and development projects. The company was founded by Iwakichi Kajima in 1840 and is headquartered in Tokyo, Japan.

Sumitomo Osaka Cement Co., Ltd. engages in the management and sale of cement business. It operates through the following business segments: Cement, Mineral Resources, Cement-related Products, Optoelectronics, Advanced Materials, Battery Materials and Others. The Cement segment manufactures and sells cement and ready-mixed concrete. It also provides electric power in cement factory. The Mineral Resources segment offers limestone and other mineral products. The Cement-related Products Material segment deals with manufacture and sale of maintenance and repair materials for concrete buildings and secondary concrete products. The Optoelectronics segment involves in the manufacture and sale of optical components and measuring instruments. The Advanced Materials segment offers ceramic products, functional films, and nanoparticle materials. The Battery Materials segment deals with secondary battery positive electrode materials. The Others segment handles real estate property leasing, engineering, and software development. The company was founded on November 29, 1907 and is headquartered in Tokyo, Japan.

CCCC Wuhan Harbor Engineering Design and Research Institute Co., Ltd., established on 1990-03-30, Business scope includes engineering consulting,General contracting of design and construction projects;Highway maintenance engineering construction;Special engineering professional contracting;Foundation engineering professional contracting;Environmental engineering professional contracting;Anti-corrosion and thermal insulation engineering construction;Engineering Quality Inspection,monitor;Construction Machinery Equipment Testing;Soft soil foundation treatment reinforcement;new material,R&D and sales of new technology;Sales and leasing of special equipment for traffic engineering;Transportation and Water Transport Engineering Supervision.(Projects subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shanghai Construction Engineering Design and Research Institute Co., Ltd., established on 1991-08-27, Business scope includes Class A construction industry,Municipal industry engineering design,Landscape Architecture Engineering Design,pressure piping design,Urban and rural planning,Geotechnical Investigation,Design and Drilling,Construction Engineering and Municipal Public Works Consulting Grade A,Foundation and foundation construction engineering professional construction,EPC,Landscaping project,Mechanical and electrical equipment required for construction projects,Complete sales of mechanical equipment and supporting materials,Operation and maintenance,Project management and related technical services,Design consulting for contracting overseas construction projects,Survey and Supervision Projects,Equipment required for the above overseas projects,Material export,Dispatch labor personnel required for the implementation of the above-mentioned overseas projects,Construction Engineering Inspection,Construction Engineering and Machinery,Eight skills service of construction technology,Trial production and trial sales of new products;attached<Building Construction>editorial department. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Central Research Institute of Bldg & Construction Co., Ltd. is a company headquartered in Beijing, China and ultimately controlled by the Government of China. The firm develops construction and environmental technology.

Shenzhen Bihai Lantian Marine Technology Co., Ltd., established on 2015-05-15, Business scope includes general business items:Coastal Tourism Development;Marine technology development;Research and development of water treatment technology;marine equipment,R & D and sales of marine technology products;Marine and fishery publicity, education and training;,The licensing program is:Aquaculture;civil Engineering,Marine Environmental Protection Engineering.

CCCC Fourth Harbor Engineering Co., Ltd. is a Chinese company located in Guangzhou and ultimately controlled by the Government of China. The firm constructs ports, bridges, railways and expressways.

Beijing Tangbang Energy Technology Co., Ltd., established on 2003-11-26, Business scope includes technology development,technology transfer,technical consulting,Technical Services;selling computers,Software and Auxiliary Equipment,electronic product,Equipment.(Enterprises independently choose operating projects according to law,Carry out business activities;Items subject to approval by law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the city's industrial policies.)

MM Bridge Co., Ltd., part of MIYAJI ENGINEERING GROUP, INC., is a company headquartered in Hiroshima, Japan, involved in bridge, tunnel, and elevated highway construction.

Hainan Shanhai Marine Technology Co., Ltd., established on 2021-07-19, Business scope includes licensed projects:Various construction activities;aquaculture;Construction engineering design;Technology Import and Export;Import and export(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)General project:Agricultural Science Research and Experimental Development;Aquarium Management Services;Offshore engineering design and module design and manufacturing services;Mariculture and marine biological resource utilization equipment manufacturing;Sales of marine water quality and ecological environment monitoring equipment;farming,Forest,animal husbandry,vice,Sales of fishery specialized machinery;Instrument sales;Ocean engineering equipment sales;navigation,surveying and mapping,Sales of Meteorological and Oceanographic Special Instruments;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Soil Pollution Control and Restoration Services;water resource management;Sewage Treatment and Its Reuse;Ecological Restoration and Ecological Protection Services;Urban Park Management;Natural Ecosystem Conservation and Management;Environmental Protection Monitoring;Marine Environmental Services;Ecological resource monitoring;Landscaping engineering construction;software development;marine services;Science popularization service(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

Ningbo Fengertai Building Materials Technology Co., Ltd., established on 2012-09-20, Business scope includes fiber reinforced cement board research,to develop,manufacture,processing;Fiber reinforced calcium silicate board,Inorganic board,Magnesium Oxide Board,Silicate fireproof board,Inorganic composite board,Thermal insulation board,Diatomaceous earth board,light steel keel,Integrated room,Study on sound-absorbing ceiling panels,to develop,manufacture,processing;Import and export of self-operated and agent goods and technologies,Except for goods and technologies that are restricted by the state or prohibited from import and export.

Kyoei Seiko Co., Ltd. is a private company headquartered in Osaka, Japan, with a presence in TH. The firm manufactures rolling mill machinery and processing equipment for metal production.

CCCC Shanghai Sanhang Research Institute Co., Ltd., established on 2002-01-15, Business scope includes general items:water transport,the highway,Municipal,water conservancy,railway,Technology development in the field of construction and materials,technology transfer,technical consulting,Technical Services,Material sales;software development.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license) licensed items:Building Intelligent System Design;Building Intelligent Engineering Construction.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)

Constructs offices, industrial buildings, residential houses and hotels