Zhengzhou Coal Industry & Electric Power Co., Ltd. engages in the operation of coal, electric power, and logistics businesses. Its Coal division produces and sells coal products. Its Electric Power division covers power generation, transmission, and transformation services. Its Logistics division involves in the procurement and sale of coal-related materials and equipment. The company was founded on November 13, 1997 and is headquartered in Zhengzhou, China.

Beijing Topsky Century Holding Co., Ltd. is a Chinese private company located in Beijing. The firm manufactures safety equipments.

Xi'an Tianhe Mining Technology Co., Ltd., established on 2016-03-18, Business scope includes licensed business items:Geological disaster control engineering survey,design;Equipment(Does not contain special mechanical equipment),fire extinguishing material(Does not contain flammable and explosive dangerous goods),Instrumentation,Production of emergency rescue equipment.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)General operating items:Environmental Protection Technology Consulting;Environmental Protection Engineering Design,construction;Security Technology Development,Consulting and Services;Equipment(Does not contain special mechanical equipment)design,to develop,Sales,Leasing and technical services;fire extinguishing material(Does not contain flammable and explosive dangerous goods)development,Sales and technical consultation;Mechanical and electrical equipment installation engineering,Construction of earth and stone works;Instrumentation Design,to develop,Sales,Leasing and technical consultation;Emergency Rescue Equipment Design,to develop,Sales,Leasing and technical services;Computer hardware and software design,to develop,installation and maintenance.(The above business scope excludes the special control and licensing items stipulated by the state)

Shijiazhuang Guosheng Mining Technology Co., Ltd., established on 2008-12-19, Business scope includes chemical products(Except for hazardous chemicals and those requiring special approval),coal mine reinforcement,spraying,airtight filling,water blocking,Anti-fire extinguishing polymer material,building materials,Thermal insulation material,Research and development of polyurethane composite materials,Sales and production and processing(branch only);Grouting equipment,Mining machinery and equipment,Environmental protection dust removal and sewage treatment equipment,R&D of instrumentation,Sales and Manufacturing(branch only);Technical research and development and sales of mine support and grouting materials;Grouting engineering construction and technical consulting services;Engineering Design of Mine Disaster Prevention and Treatment Project,Technical Services,technology development,technical consulting,technology transfer.(law,Matters prohibited or restricted by regulations and decisions of the State Council,Not allowed to operate;Items requiring approval from other departments,Can operate after approval)

Xi'an Ambit Security Technology Co., Ltd., established on 2016-11-17, Business scope includes mining electromechanical equipment,electronic product,Instrumentation,Mining Engineering Materials,chemical material(non-hazardous,monitor,precursor chemicals)production;Disaster Management and Environmental Engineering Design,construction;Mining Engineering Materials,chemical material(non-hazardous,monitor,precursor chemicals)development,Sales;Mine electromechanical equipment(car not included),electronic product,Instrumentation Development,Sales,Leasing and technical services;Technology development of computer hardware and software;Environmental protection technical consultation,technology development,Technology Transfer and Technical Services;Safe Production Guarantee Technology Development,Technical Consulting and Technical Services.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China Coal Science and Technology Ecological Environment Technology Co., Ltd., established on 2018-10-31, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Ecological resource monitoring;Mineral dressing;software development;Engineering Management Services;Planning and Design Management;Solid Waste Treatment;Environmental Protection Monitoring;Land Survey and Evaluation Services;Basic geological survey;Ecological Restoration and Ecological Protection Services;water pollution control;Eco-environmental material sales;Sales of new organic active materials;Geological disaster management service;Land Consolidation Services;Geographic Remote Sensing Information Service;real estate appraisal;Cement Products Manufacturing;Testing machine manufacturing;building block manufacturing;Natural Ecosystem Conservation and Management;Air Pollution Control;(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)licensed items:Various construction activities;General contracting of housing construction and municipal infrastructure projects;Geological Hazard Risk Assessment;Geological disaster control engineering survey;Geological disaster control engineering design;Construction of geological disaster control engineering;Mineral Resource Exploration;Mapping service;Construction Engineering Survey;Construction engineering design;Quality inspection of construction projects;Compilation of land and space planning;advertising(radio station,television station,Newspaper Publishing Unit);Engineering cost consulting business;Hazardous Waste Management;Installation, modification and repair of special equipment;Construction Project Supervision;Inspection and testing service;mineral resources(non-coal mine)mining;(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)

China Coal Science and Industry Group Beijing Land Consolidation and Ecological Restoration Technology Research Institute Co., Ltd., established on 2018-12-05, Business scope includes engineering survey;engineering design;Engineering and Technology Research and Experimental Development;Geological disaster management;Management of Inland Wetland and Water Ecosystem Reserves;Technology development in the field of environmental engineering,technology transfer,technical consulting,Technical Services,Technology Promotion;water pollution control;Urban Landscaping Services;Construction Project Management;Professional contractors;Computer System Services;selling computers,Software and Auxiliary Equipment.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Engineering Investigation,Engineering design and projects subject to legal approval,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.)

Shaanxi Coal Industry Chemical Technology Research Institute Co., Ltd., established on 2011-05-10, Business scope includes general items:New material technology research and development;New material technology promotion service;Emerging energy technology research and development;Energy Storage Technology Services;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Engineering and Technology Research and Experimental Development;Engineering Management Services;Engineering cost consulting business;Foreign contracted projects;Import and export;Mechanical equipment research and development;R&D of metal products;Carbon emissions,carbon conversion,carbon capture,Research and development of carbon sequestration technology;Biochemical product technology research and development;Resource recycling technology research and development;Chemical product production(No licensed chemical products);Chemical product sales(No licensed chemical products);Sales of high-purity elements and compounds;Coal Products Manufacturing;Manufacturing of basic chemical raw materials(Manufacture of licensed chemicals free of hazardous chemicals);Coal-fired flue gas desulfurization and denitrification equipment manufacturing;Manufacture of special ceramic products;Sales of metal matrix composites and ceramic matrix composites;Sales of new ceramic materials;Manufacture of graphite and carbon products;Manufacturing of bio-based materials;Sales of new membrane materials;synthetic material manufacturing(Free of Hazardous Chemicals);Manufacturing of rubber products;Rubber Products Sales;Sales of plastic products;Manufacturing of engineering plastics and synthetic resins;Sales of high-performance fibers and composite materials;High-performance fiber and composite material manufacturing;Sales of high-performance non-ferrous metals and alloy materials;Electronic special material manufacturing;Metal material manufacturing;Sales of new metal functional materials;Sales of high-performance sealing materials;Eco-environmental material sales;Sales of Rare Earth Functional Materials;Sales of new catalytic materials and additives;Manufacture of new membrane materials;Magnetic material production;paint manufacturing(Free of Hazardous Chemicals);paint sales(Free of Hazardous Chemicals);Graphene Material Sales;Lubricating oil processing,manufacture(Free of Hazardous Chemicals);Lubricant sales;Manufacturing of electronic components and electromechanical components;Manufacturing of capacitors and their supporting equipment;Manufacturing of photovoltaic equipment and components;battery manufacturing;Manufacture of vibration and noise reduction equipment;Security equipment manufacturing;Security equipment sales;traffic safety,Manufacture of special equipment for control;Rail Transit Special Equipment,Sales of key systems and components;Production of special labor protection products;Sales of raw and auxiliary materials for shoemaking;Intelligent control system integration;Research and development of intelligent robots.(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 engineering design;Inspection and testing service;Special Equipment Design;Special equipment manufacturing.(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)

Chongqing Kehua Safety Equipment Co., Ltd., established on 2003-12-30, Business scope includes general items:Emergency Rescue Technology Development,equipment manufacturing,Sales and technical service(Excluding special equipment and medical equipment).design,manufacture,processing,Sales:Safety first aid equipment,Industrial Safety Instrumentation,Industrial Security Monitoring System,Equipment,Mechatronic Parts.design,manufacture,Sales:robot.manufacture,Sales:Mechanized agricultural and gardening equipment.Sell ​​Calcium Hydroxide.Undertake fire engineering,Environmental Pollution Control,gas,Coal Dust Prevention and Monitoring Engineering Design,Occupational safety and health evaluation.software development,Realtor,Retailing of Class II Medical Devices(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

China Coal Science and Industry Group International Engineering Co., Ltd., established on 2015-07-24, Business scope includes professional contracting;Construction General Contracting;Engineering Investigation,design;project consultancy;Mapping service;business management;Import and export,Technology Import and Export,Agent import and export;Investment;investment management;sell electronics,Equipment,Wujinjiaodian(E-bike not included),CNC mining machinery,Mining equipment and special accessories;Mine Engineering Technology Research Services;technology development;technical consulting;Rental of mining machinery and equipment.(Enterprises independently choose operating projects according to law,Carry out business activities;Surveying and mapping services and projects subject to legal approval,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.)

China Coal Land Huasheng Hydrogeological Survey Co., Ltd., established on 1990-09-18, Operating range includes liquid,solid,Gas Mineral Exploration,Geological survey of hydraulic environment,geological drilling;Geological disaster control engineering design;Geological Hazard Risk Assessment;Geological disaster control engineering survey;Construction of geological disaster control engineering;Construction project water resource demonstration;Foundation and Foundation Engineering;Earthwork;Mechanical and electrical equipment installation engineering;Ground source heat pump and solar energy environmental protection project;Hydrogeological survey,Geotechnical Engineering(survey,consult,supervision),Engineering Survey Services,Geotechnical Testing,monitor,detection,engineering survey;Surveying Engineering;Architectural landscape design and construction,Technical services in the professional field of planning and design;Soil and water conservation technical service and construction;Geographic Information Systems Engineering;engineering survey;Real estate surveying and mapping.Outsourcing;Overseas foundation and foundation engineering;Overseas geological engineering survey,consult;Equipment required for overseas projects,Material export,Dispatch labor personnel required for the implementation of overseas projects;Water source heat pump unit production;Environmental Assessment;Environmental Monitoring Service;Eco-friendly design,consult,Technical Services;Ecological monitoring;Drilling material sales;Water source heat pump unit and auxiliary equipment,Spare parts sales and maintenance;Flue gas dust removal and desulfurization equipment,water treatment equipment,Machinery Parts Sales,Processing and Repair;House machinery and equipment rental;Environmental Engineering Design,Construction and energy saving services,Landscape Design,Landscaping construction,Municipal engineering construction;Geothermal mining,Geothermal development;sewage treatment;Water environment governance,Ecological environment restoration project;Environmental protection equipment and pharmaceutical sales;Operation and management of environmental protection facilities;Comprehensive Control of Air Pollution in Industrial Enterprises;Environmental big data construction and application,Environmental Engineering Design;Environmental testing equipment sales;Motor vehicle exhaust remote sensing detection system sales and after-sales;construction work;Construction labor subcontracting;Construction of water conservancy and hydropower projects;Construction of river and lake improvement projects;land consolidation,Land reclamation;Steel structure engineering construction;Substation building installation and cable engineering;Electrical equipment installation engineering construction;CBM well,oil and gas well,shale well,Oil and gas well construction and survey technical services;Cementing,Logging,Mud logging construction;Material Transportation and Sales;Sales of building materials;Decoration project.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Chongqing Research Inst of China Coal Tech & Eng Group Corp. is a Chinese company located in Chongqing and ultimately controlled by the Government of China that engages in geological survey and other related operation.