Powerchina Zhongnan Engineering Corp. Ltd. is a company headquartered in Changsha, China and ultimately controlled by the Government of China, that provides hydraulic engineering services.

Sinosteel Maanshan General Inst of Mining Research Co., Ltd. provides mineral resource comprehensive utilization services. It offers mining, mineral processing, geotechnical, mine safety, environmental protection, and related technical and technical engineering services. The company was founded in 1963 and is headquartered in Maanshan, China.

Suzhou Huicai Soil and Water Engineering Technology Co., Ltd., established on 2016-11-04, Business scope includes engineering technology development,Research and development of engineering material testing and engineering survey and engineering monitoring equipment,production and sales,Mechanical design and development of electromechanical control systems,Geotechnical Investigation and Testing,Engineering Safety Evaluation and Disaster Prevention,Civil and hydraulic engineering design,Consulting and Technical Services,Water conservancy and hydropower and geotechnical engineering construction,Soil Erosion Prevention,modern agricultural technology,Research and development of civil electromechanical and daily necessities,Sales and Service.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Chengdu Donghua Excellence Technology Co., Ltd., established on 2011-09-19, Business scope includes software development;Import and export of goods and technology;Production(Only branches operating in industrial parks),Sales:Equipment;Sales:Hardware products and electronic products,car(Passenger cars with less than nine seats are not included),Chemical Products(Does not contain dangerous goods);Construction machinery and equipment rental.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Shandong Gold Mining Technology Co., Ltd., established on 2017-05-03, Business scope includes mining technology,Mining Engineering Technology,Metallurgical Engineering Technology Research Services;Salt chemical,Materials Science and Technology Research Services;technology development,Technical tender,Technical testing,technical consulting,Technical Services,technology transfer,Technical extension services;Engineering Technology and Planning Management;Technology intermediary service;Information Technology Services;Technician training;Geological experiment test;Management consulting services for mining and construction development projects;Engineering cost consultation;Domestic project bidding agency;Procurement bidding agent.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Powerchina Guiyang Engineering Corp. Ltd. is a Chinese company located in Guiyang and ultimately controlled by the Government of China that provides hydraulic engineering services.

Dalian University of Technology Industrial Investment Co., Ltd., established on 1988-06-20, Business scope includes,Manage the school's operating assets and the equity of the school's foreign investment;Realtor;property management;Domestic general trade.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Changchun Chaoyang Test Instrument Co., Ltd., established on 1998-06-05, Business scope includes test equipment,Testing machine and spare parts,Electrical component development,oil,chemical industry,Coal testing equipment and instruments,Electrical components,Electronic component,Creep Endurance Tester,Geotechnical triaxial testing machine,Production,repair,Sales,Testing Assays and Technical Services;Water and electricity installation;Civil construction;Production and sales of high and low temperature environment equipment;software development,Embedded software development and sales(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

Powerchina Xibei Engineering Corp. Ltd. is a company headquartered in Xian, China and ultimately controlled by the Government of China. The firm provides hydraulic engineering services.

Shanxi Jiaoke Highway Survey and Design Institute Co., Ltd., established on 1998-08-14, The business scope includes various roads in the transportation and highway industry,the bridge,Investigation of tunnel and ancillary works,design;construction project:Comprehensive survey of various construction projects;road industry,Municipal industry,Construction Industry Design and Engineering Consulting.Consultation on large-scale bridge construction supervision on high-grade highways;the highway,the bridge,Technology Development and Technology Promotion of Tunnel;Government Procurement Agent;Bidding agency:Engineering construction and equipment,Bidding agency for material procurement.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China National Offshore Oil Corporation, or CNOOC Group, is a major national oil company in China. It is the third-largest national oil company in the People's Republic of China, after CNPC (parent of PetroChina) and China Petrochemical Corporation (parent of Sinopec). The CNOOC Group focuses on the exploitation, exploration and development of crude oil and natural gas in offshore China. The Group is the largest producer of offshore crude oil and natural gas in China and one of the largest independent oil and gas exploration and production companies in the world. The Group mainly engages in exploration, development, production and sale of crude oil and natural gas. The Group’s core operation areas are Bohai, Western South China Sea, Eastern South China Sea and East China Sea in offshore China. Overseas, the Group has oil and gas assets in Asia, Africa, North America, South America, Oceania and Europe. As at 31 December 2015, the Group owned net proved reserves of approximately 4.32 billion BOE, and its average daily net production was 1,358,022 BOE (unless otherwise stated, all amounts of reserve and production in this report include our interests in equity method investees). The Group had total assets of approximately RMB664.4 billion.

Preliminary (Tianjin) Technology Co., Ltd., established on 2018-03-09, Business scope includes technical promotion services,Import and export of goods and technology,Trade Advisory Services,Exhibition display service,software development,electronic product,Testing Equipment,Equipment,communication equipment,hardware products,computer software sales,Instrument rental,Sales,repair.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Changchun Zhantuo Testing Instrument Co., Ltd., established on 2015-12-17, The business scope includes research and development of testing machines and accessories,manufacture,Sales,repair,Install,debugging,After-sales service and technical consultation;Testing machine pneumatic and hydraulic system,Device sales;Testing machine standard parts,Seals,Electronic Component Sales;Research and development of automatic control system for testing machine,Commissioning and sales;Sales of electronic computers and consumables for testing machines;Experimental instrument rental;Import and export of goods and technology(no publications);Machining,Sheet metal processing(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

CNOOC Research Institute Co., Ltd., established on 2000-03-02, Business scope includes chemical products;Oil and Gas Exploration,development project,Drilling Engineering,Oil and gas field surface engineering,Pipeline Engineering,Oil and gas depot engineering,Oil and gas processing engineering,Oil and gas field chemical industry and comprehensive utilization engineering,New energy engineering design and related technology research;Environmental Impact Assessment of Petroleum Development Projects,Project economic evaluation and project management related to the above business;Import and export business;technology development,Technology Promotion,technology transfer,technical consulting,Technical Services;selling computers,Software and Auxiliary Equipment,Equipment,hardware products;Machinery and Equipment Leasing.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Sales of chemical products and 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 industrial policies of the state and this city.)

Powerchina Chengdu Engineering Corp., Ltd. provides planning and consultancy, investigation and design, engineering and construction, as well as investment and financing services in clean energy, water, infrastructure, and other fields. The company was founded in 1950 and is headquartered in Chengdu, China.

Changqing Engineering Design Co., Ltd., established on 1999-10-21, Business scope includes general items:Oil and Gas Engineering,Chemical and petrochemical engineering,construction work,decoration works,Communication Engineering,Municipal Engineering,Power Engineering,Road construction,Fire Engineering,Anti-corrosion insulation project,Automation Control Engineering,Light steel structure engineering,Environmental Engineering,Geotechnical Engineering,General Contracting of Pipeline Works,consult,design;Engineering cost consulting business;Engineering bidding agency;Engineering project management and technical services;Oil installation,Research and development of natural gas installations,Sales;Research and development of computer technology and products,Sales;account Serive;Catering Services(limited branch operation).(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Construction labor subcontracting;Import and export;Technology Import and Export;accommodation service;Mapping service;Inspection and testing service;Construction Project Supervision;Construction Engineering Survey.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results)

Sichuan Dexiang Kechuang Instrument Co., Ltd., established on 2015-01-21, Business scope includes research and development,Production(Choose another site or set up a branch to operate),Sell ​​experimental analysis instruments and provide technical consultation;Import and export of goods and technology;Quality inspection technical service(Excluding import and export commodity inspection and identification,Does not include civil nuclear safety equipment design,manufacture,Installation and NDT,Does not contain special equipment inspection and testing).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments).

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.

Tianshui Hongshan Testing Machine Co., Ltd., established on 2002-11-26, The scope of business includes testing and testing equipment,Measuring standard instrument,scale,sensor,automated instrument,meter,Production and sales of electromechanical equipment,work assignment*

Jiangsu Ruicheng Machinery Co., Ltd., established on 2011-06-20, Business scope includes forging machinery,laser equipment,Friction welding equipment,CNC machine tool,Manufacture of punching machines and accessories,Sales,design,Technical Services;General Machinery,Processing of construction machinery and equipment,manufacture,rental service;Processing of steel structure,manufacture;Municipal public works,tunnel Engineering,Earthwork,Technical Services for Construction Engineering,construction;Construction labor subcontracting;Self-operated and agent import and export business of various commodities and technologies(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)