Taiheiyo Materials Corp., part of Taiheiyo Cement Corp., is a company headquartered in Tokyo, Japan. The firm supplies construction and civil engineering materials. It was founded in 2001.

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.

China Metallurgical Engineering Technology Co., Ltd., established on 2005-01-27, Business scope includes licensed projects:Mapping service,Construction Engineering Survey,Construction engineering design,Construction Project Supervision,building demolition work(Except for blasting operations),Mineral Resource Exploration,Construction of geological disaster control engineering,Geological Hazard Risk Assessment,Geological disaster control engineering survey,Geological disaster control engineering design,Technology Import and Export,General contracting of housing construction and municipal infrastructure projects,Various construction activities,road freight transport(Web Freight),Inspection and testing service(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) General project:Earthwork construction,Geological disaster management service,Sales of construction machinery,Construction machinery and equipment rental,Landscaping engineering construction,Sales of building materials(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

SK ekoplant is a top-tiered global city developer and infrastructure builder. SK ekoplant is one of the leading subsidiaries of SK group. SK ekoplant is one of the world’s best companies in the engineering industry, undertaking plants on EPCC basis (Engineering, Procurement, Construction and Commissioning) in the fields of Refineries, Petrochemicals, Fertilizer, Industrial Plants and Environmental Plants, Plants to wireless mobile communication equipment worldwide. As a major player in high-tech engineering market of the 21st century, SK ekoplant is committed to becoming the top-tier company by acquiring the drive for the future growth through the expansion of overseas markets and the launching of new products and by successful establishing the developed enterprise structure through improvement of internal system and process as well as performance assessment system. SK ekoplant is currently carrying out huge projects in U.S, Saudi Arabia, China, Thailand, Vietnam, India, Ecuador, Qatar, Algeria, Venezuela and CIS. This outstanding achievement is the culmination of SK ekoplant's extensive project experience, superior technology, and talents.

China Petrochemical Corporation (Sinopec Group) is a super-large petroleum and petrochemical enterprise group, established in July 1998 on the basis of the former China Petrochemical Corporation. Sinopec Group is a state-owned company solely invested by the state, functioning as a state-authorized investment organization in which the state holds the controlling share. Headquartered in Beijing, Sinopec Group has a registered capital of RMB 231.6 billion. The board chairman of Sinopec Group is its legal representative. Sinopec Group executes the investor rights over related state assets owned by its full subsidiaries, controlled companies and share-holding companies. These rights include receiving returns on assets, making major decisions and appointing management teams. The Group operates, manages and supervises state assets according to related laws, and shoulders the corresponding responsibility of maintaining and increasing the value of state assets. China Petroleum and Chemical Company (Sinopec Corp.), controlled by Sinopec Group, issued H-shares and A-shares at overseas and home respectively in October 2000 and August 2001 and was listed on stock markets in Hong Kong, New York, London and Shanghai. Sinopec Group’s key business activities include: industrial investment and investment management; the exploration, production, storage and transportation (including pipeline transportation), marketing and comprehensive utilization of oil and natural gas; the production, marketing, storage and transportation of coal; oil refining; the storage, transportation ,wholesale and retail of oil products; the production, marketing, storage, transportation of petrochemicals, natural gas chemicals, coal chemicals and other chemical products; the exploration, design, consulting, construction and installation of petroleum and petrochemical engineering projects; the overhaul and maintenance of petroleum and petrochemical equipments; the research and development, manufacturing and marketing of electrical and mechanical equipments; the production and marketing of electricity, steam, water and industrial gas; the research, development, application and consulting services of technology, e-business, information and alternative energy products; the import and export of self-support and agent commodity and technology; foreign project contracting, invite bidding, labor export; the international storage and logistics business. Sinopec Group ranked the 3rd in the Fortune Global 500 in 2014.

Sichuan Geological Engineering Exploration Institute Group Co., Ltd., established on 1987-10-23, Business scope includes licensed projects:Construction Engineering Survey;Construction engineering design;Construction Engineering Construction;Geological Hazard Risk Assessment;Geological disaster control engineering survey;Geological disaster control engineering design;Construction of geological disaster control engineering;Mineral Resource Exploration;Geological exploration of metal and non-metal mineral resources;Compilation of land and space planning;Mapping service;Construction Project Supervision;Construction supervision of water conservancy projects;Inspection and testing service;Quality inspection of construction projects;Water Conservancy Engineering Quality Inspection;Indoor environment detection;Internet information service;Certification Services;Mineral resources mining in non-coal mines;Safety Evaluation Business;Real estate development and management;Construction labor subcontracting;construction professional work.(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)General project:Ecological Restoration and Ecological Protection Services;Geological disaster management service;Basic geological survey;Geological Exploration Technical Services;Land Consolidation Services;Land Survey and Evaluation Services;earthquake service;Soil Erosion Prevention and Control Services;Water Conservancy Related Consulting Services;Hydrological Services;water resource management;Environmental Protection Monitoring;Environmental Consulting Services;Ecological resource monitoring;water pollution control;Water Environment Pollution Prevention and Control Services;Soil Environmental Pollution Prevention and Control Services;Soil Pollution Control and Restoration Services;Atmospheric Environmental Pollution Prevention and Control Services;Environmental emergency management service;Engineering technical service(planning management,survey,design,Except supervision);Engineering Management Services;Foreign contracted projects;Planning and Design Management;Engineering cost consulting business;Metering technical service;Highway and Waterway Engineering Test and Inspection Service;Information Technology Consulting Services;Big data service;Geographic Remote Sensing Information Service;Satellite Remote Sensing Data Processing;data processing services;software development;software sales;Software outsourcing service;Data processing and storage support services;Information system integration service;IoT application service;IoT Device Sales;Natural science research and experimental development;Engineering and Technology Research and Experimental Development;Marine Environmental Services;Emerging energy technology research and development;Carbon emissions,carbon conversion,carbon capture,Research and development of carbon sequestration technology;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Certification Consulting;Mining title appraisal service;Mineral resource reserve evaluation service(Business activities must be completed after the China Mining Rights Appraisers Association completes the registration);Social Stability Risk Assessment;Operational Effectiveness Evaluation Service;Sales of special equipment for geological exploration;Sales of special instruments for geological exploration and seismic;drawing,Sales of computing and measuring instruments;Real estate registration agency service;property management;Landscaping engineering construction;Agricultural professional and auxiliary activities;Labor service(Does not include labor dispatch);Sales of building materials;Non-residential real estate leases;Machinery and Equipment Leasing;Office equipment rental service;office services;Graphic design and production;Typing and copying.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Sichuan Third Construction Engineering Co., Ltd., established on 1980-11-16, Business scope includes foreign contracted engineering business(The operating items and duration are subject to the license).(The following items do not include pre-licensed items,Post-licensing projects operate on the basis of licenses or approval documents)building engineering,Foundation and Foundation Engineering,Elevator installation project,Mechanical and electrical equipment installation engineering,Municipal public works,Attached lifting scaffolding professional contracting,Special professional engineering,Lifting equipment installation works,Road construction,Steel structure engineering,Building decoration project,Earthwork,Building Waterproofing Engineering,Anti-corrosion insulation project,Metal doors and windows project,Fire Engineering;Engineering survey and design;Real estate development and management.(The following items do not include pre-licensed items,Post-licensing projects operate on the basis of licenses or approval documents)Manufacturing of lifting and transporting equipment,repair;Construction machinery and equipment rental;Cement Products Manufacturing;Fabrication of Metal Structures;wood product manufacturing;Commodity wholesale and retail;Technical testing;Landscaping project;Water Resources and Hydropower Engineering;land consolidation.

PetroChina Co. Ltd. engages in the petroleum related products, services and activities. It operates through the following business segments: Exploration and Production; Refining and Chemicals; Marketing; Natural Gas and Pipeline; and Head Office and Other. The Exploration and Production segment involves exploration, development, production, and marketing of crude oil and natural gas. The Refining and Chemicals segment focuses on the refining of crude oil and petroleum products, production and marketing of primary petrochemical products, derivative petrochemical products, and other chemical products. The Marketing segment includes marketing of refined products and the trading business. The Natural Gas and Pipeline segment comprises transmission of natural gas, crude oil, and refined products and the sale of natural gas. The Head Office and Other segment relates to cash management and financing activities, the corporate center, research and development, and other business services supporting the operating business segments of the Group. The company was founded on November 5, 1999 and is headquartered in Beijing, China.

Huaibei Pingyuan Soft Rock Support Engineering Technology Co., Ltd., established on 2005-12-26, Business scope includes general business items:Shaft engineering technical service,Production,processing,Sales of mine support equipment,drilling rig,Special equipment for mine shaft grouting.(Except those involving administrative licensing in the above scope)

CCCC First Engineering Co., Ltd., established on 1988-03-28, Business scope includes construction general contracting;the highway,the bridge,tunnel,pier,Airport,Freight yard,steel structure,Municipal engineering construction;Sales of steel;Research and Experimental Development of Civil and Construction Engineering Technology;Mapping service;Rental machinery and equipment,office equipment.(Market entities independently choose business projects in accordance with the 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 industrial policies of the state and this city.)

China Railway First Survey & Design Institute Group Co., Ltd. is a Chinese company ultimately controlled by the Government of China that provides engineering survey, design, supervision and consulting services.

Anhui Penggong Intelligent Equipment Technology Co., Ltd., established on 2019-10-15, Business scope includes computer,Retailing of Software and Ancillary Equipment,Automation equipment and production line equipment,Petrochemical equipment and accessories,Intelligent Logistics Warehousing System,Automated logistics warehousing system and equipment,Computer hardware and software,R&D of robots,Technical Services,technology transfer,lease,Sales;electronic product,electronics,Railway Engineering Parts,Sales of construction materials;Labor subcontracting(In addition to labor dispatch);railway engineering;Municipal public works;Environmental Engineering;water pollution control;Technical services in the field of drainage;Pipeline Inspection and Trenchless Repair;Water supply and drainage engineering design and construction;Business Management Consulting;Cleaning service;commercial service;Building Decoration,Design and Construction of Landscaping Projects;architectural design;environmental design;Smart city construction engineering and technical services;Drainage network and pumping station operation management;Machinery sales,Rental and installation service;Railway works,Electricity,Special equipment for power supply,rolling stock,repair vehicle,transport vehicle,High-speed rail equipment,Intelligent inspection equipment,Railway rescue equipment,Railway Construction Machinery,Research and development of railway automation maintenance equipment and other related industrial equipment and accessories,manufacture,Install,repair,Sales,lease,Retrofit,Transportation and distribution,technical consulting,Serve,transfer;the highway,railway,tunnel,the bridge,mountain,mine,Comprehensive monitoring system for rail transit,Building intelligence and mechanical and electrical engineering design,manufacture,Engineering installation;Smart Mechatronics,information product,electronic product,electronics,Railway Engineering Parts,construction materials,Engineering Machinery Design,manufacture,Sales,lease;Optoelectronic Technology and Product Development,manufacture,lease,Sales;Design of public service and inspection robot,manufacture,Sales;Security engineering design and construction.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Tianjin Ershang Yingbin Meat Food Co., Ltd., established on 2011-10-31, The scope of business includes those prohibited by laws and regulations,subject to approval,Do not operate without approval;law,Approval not stipulated by regulations,Self-management.(If the above business scope involves industry licensing, the license certificate,Operate within the validity period,If the country has special franchise regulations, it shall be handled in accordance with the regulations)

Hwashin Instrument Co., Ltd. is a South Korean private company located in Seoul that wholesales medical, precision and scientific instruments and equipment.

Yellow River Survey, Planning and Design Research Institute Co., Ltd., established on 2003-09-16, Business scope includes licensed projects:Compilation of land and space planning;Construction Engineering Survey;Construction engineering design;Construction Project Supervision;Construction supervision of water conservancy projects;Quality inspection of construction projects;Water Conservancy Engineering Quality Inspection;Inspection and testing service;Mapping service;Geological disaster control engineering survey;Geological disaster control engineering design;Geological Hazard Risk Assessment;Special Equipment Design;Building Intelligent System Design;Indoor environment detection;Civil Air Defense Engineering Design;Safety Evaluation Business(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)General project:Planning and Design Management;water resource management;Hydrological Services;Engineering and Technology Research and Experimental Development;Environmental Consulting Services;Water Conservancy Related Consulting Services;Engineering cost consulting business;Soil Erosion Prevention and Control Services;Engineering Management Services;Bidding agency service;Information Technology Consulting Services;software development;Geographic Remote Sensing Information Service;Metering technical service;Information system integration service;Intelligent water system development;Computer System Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Emerging energy technology research and development;Energy Storage Technology Services;Solar Power Technology Services;Wind Power Technical Services;Geological Exploration Technical Services;Soil Pollution Control and Restoration Services;Soil Environmental Pollution Prevention and Control Services;Agricultural non-point source and heavy metal pollution prevention and control technical services;Land Consolidation Services;Water Environment Pollution Prevention and Control Services;water pollution control;Atmospheric Environmental Pollution Prevention and Control Services;Environmental Protection Monitoring(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)