Changzhi Zhongrui Precision Bearing Manufacturing Co., Ltd., established on 2002-10-30, Business scope includes bearing and bearing parts processing,manufacture;Chemical raw materials(Does not contain flammable and explosive materials,Stimulants and dangerous drugs),building materials,hardware tools,Furnace charge wholesale and retail.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)***

Ningxia Tiandi Benniu Industrial Group Co., Ltd., established on 1998-12-10, Business scope includes licensed projects:Catering Services;accommodation service;Import and export of goods managed by state trade(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)General project:Mining machinery manufacturing;Mining Machinery Sales;Special Equipment Sales;Sales of micro motors and components;Micro motor and component manufacturing;Coal and product sales;Metal Material Sales;Chemical product sales(No licensed chemical products);Electrical Equipment Sales;Metal Products Sales;Sales of non-metallic minerals and products;metal tool making;Metal Tool Sales;mold making;Mold Sales;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;General merchandise sales;General Equipment Repair;Special Equipment Repair;Machinery and Equipment Leasing;Non-residential real estate leases;property management;Activities supporting rail transport;Domestic Freight Forwarding;General machinery and equipment installation services;Mechanical equipment research and development;Mechanical Parts,Parts processing;Metal surface treatment and heat treatment;trade broker;Domestic trade agent(Except for licensed business,Can independently operate projects that are not prohibited or restricted by laws and regulations)

China Coal Zhangjiakou Coal Mining Machinery Co., Ltd. is a state owned subsidiary enterprise of China National Coal Group Corp. It gathers research & development, manufacturing, sales, service of coal mining machinery & electrical equipment as a whole. The company was founded in 1926 and is headquartered in Hebei, CN.

Shanxi Lu'an Environmental Protection Energy Development Co., Ltd. Wangzhuang Coal Mine, established on 2002-07-04, Business scope includes mining of mineral resources:coal mining.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Wuhu Tongda Boiler Co., Ltd., established on 1998-08-19, Business scope includesP≤0.04Mpaboiler manufacturing(Restriction on small steam and water dual-purpose boilers);Metal material processing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Yanzhou Coal Industry Co., Ltd. is a private company headquartered in Jining, China, that engages in coal mining.

China Coal Science and Industry Group Shanghai Co., Ltd., established on 2008-05-26, Business scope includes licensed projects:Import and export;Technology Import and Export.(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:Coal mine electromechanical,Material Handling Engineering Design,Electrical Equipment,Underground engineering,Environmental Engineering,network engineering,computer software technology,Material performance testing,Technology development in the field of electronic technology,technical consulting,technology transfer,Technical Services,Professional Design Services,Design of new products of electromechanical equipment and components,Research,Sales,Coal Engineering Design Services,Coal mine electromechanical equipment sales,Sales of machinery and equipment,Install,repair,Self-owned houses and mechanical and electrical equipment leasing(Excluding financial leases),The following limited branch operations:Mining machinery manufacturing,Mechanical and electrical equipment manufacturing,Material Handling Equipment Manufacturing,Manufacturing of large amusement facilities,General parts manufacturing.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

China Coal Technology & Engineering Group Co. Ltd. (doing business as Sinocoal International Engineering Design & Research Institute) is a company headquartered in Beijing, China and ultimately controlled by the Government of China, that operates as an investment holding company.

Changchun Huayu Electromechanical Conveying Equipment Co., Ltd., established on 2003-10-14, Business scope includes boiler conveying machinery,Boiler auxiliary equipment and accessories production,Belt Conveyor Production(Another production site);Distribution of mechanical and electrical products(car removal),Boiler auxiliary equipment installation and after-sales service(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Ningxia Tiandi Heavy Equipment Technology Co., Ltd., established on 2015-11-17, The business scope includes the development and transfer of mining machinery equipment technology;mining equipment,Electrical Equipment,reducer design,manufacture,Sales;to cast,forging,General Machinery Parts,Manufacture of other machinery and equipment,Sales;Mining machinery and equipment repair,lease;coal distribution(Coal storage activities shall not be carried out in the Shizuishan area);Import and export business of coal equipment***(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shanxi Tiandi Coal Machinery Equipment Co., Ltd., established on 2006-08-07, Business scope includes mining machinery,Design of complete sets of hydraulic equipment and components,to develop,Production, sales and technical services;automatic control,Development and product sales of computer and network technology;Coal machine equipment maintenance;Mining Engineering Contracting;import and export:Import and export,Technology Import and Export;Electrical products,Ordinary machinery,building materials(except wood),Instrumentation,metallic material,coal,Sales of coke and other coal products;Mechanical and electrical equipment installation;Machinery and Equipment Leasing.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Taiyuan Institute of China Coal Research Institute is a Chinese company located in Taiyuan and ultimately controlled by the Government of China that distributes coal mining related equipments and bi-products.

Xi'an Queli Electromechanical Technology Co., Ltd., established on 2010-05-26, Business scope includes electromechanical products,Sales of mechanical equipment and accessories,research and development,Repair and Service.(If the above business scope involves the special franchise regulations of the state, the regulations shall be followed.)

Tiandi Shanghai Mining Equipment Technology Co., Ltd., established on 2003-08-11, The business scope includes electronic products and environmental protection equipment,Design of Mine Electromechanical Products,Production,Sales,Matching Design of Coal Mine Excavation Working Face,Equipment selection technology development,consult. [Items subject to approval by law,Business activities can only be carried out after approval by relevant departments]

Zhejiang Dongmin Technology Co., Ltd., established on 2002-08-08, Business scope includes auto parts,pressure cooker accessories,Diesel engine accessories technology research and development,car parts,pressure cooker accessories,Diesel Engine Parts,Agriculture, Forestry, Animal Husbandry and Fishing Machinery Parts,Stainless steel daily products,rubber products,Manufacture and sales of plastic products(Manufacture of important industrial products not included),Import and export,Technology Import and Export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guoke Zhongmai (Xuzhou) Energy Technology Co., Ltd., established on 2021-07-12, Business scope includes general items:Mining machinery manufacturing;Mining Machinery Sales;Sales of mechanical and electrical equipment;Mechanical and electrical equipment manufacturing;rental service(Licensed rental services not included);Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Zhengzhou Coal Mining Machinery (Group) Co., Ltd (Hereafter referred to as ‘ZMJ’) was established in 1958. After over half a century’s development, ZMJ has become the largest company in the world in respect of R&D and manufacturing powered roof support used for fully mechanized coal mining. ZMJ is also the sole company listed both in Shanghai and Hong Kong Stock Exchange in China’s coal mining machinery industry. ZMJ has 22 wholly-owned subsidiaries, stock-holding subsidiaries and joint stock companies all over the world covering equipment manufacture, financing, service and trade & commerce, etc. ZMJ has the annual capacity of producing 30,000 units of powered roof supports with support height ranging from 0.55m to 8.8m and working resistance ranging from 160 t to 2,600 t. ZMJ can also manufacture full range of AFC with line pan width ranging from 630 mm to 1250mm and the matching BSL, crusher and self-advancing devices. The major economic indicators of the company consecutively rank first in the industry in the past more than a decade. ZMJ’s products have been supplied to all major coal producing group companies in China and have been exported to international markets like Australia, USA, Russia, Turkey, India and Vietnam, etc. ZMJ enjoys a good reputation of ‘the First Brand in China’s Coal Mining Machinery Industry’. ZMJ owns various scientific research institutions such as the National Enterprise Technology Center, the Post-doctoral Programme and Academician Workstation, etc. and has undertaken the research and development of many key projects of the fully mechanized mining equipment in China. ZMJ is leading the trend of the development of China’s coal mining equipment. The market share of powered roof supports ranks first in the same industry in China. The total production, maximum working resistance and supporting height all rank first in the world. The R & D strength and equipment level is also leading the world. The ZY26000/40/88D extra-large mining height, highly intelligent and green mining powered roof support developed and manufactured by the company reaches a new height in the world and various parameters of the roof support created and are holding the world record. The company successfully overcame key technical difficulties of electro-hydraulic control system of powered roof support, filled the blank in this field in China and obtained the complete independent intellectual property rights of powered roof supports. In recent years, ZMJ has made considerable efforts to introduce manufacturing equipment advanced in the global industry to guarantee the product quality with first class equipment. The company raised fund in the Shanghai Stock Exchange for the high-end roof support production base and invested over USD 300 million. The production base is equipped with the most advanced full automatic production line for steel plate cutting, welding and painting, the most advanced automatic production line for legs and rams and the most productive roof support final assembly work line in the world.

Wuhai Desheng Coal Coking Co., Ltd., established on 2008-09-09, Business scope includes licensed business items:Production and sales:coke,Crude benzene,ammonium sulfate,tar,gas,sulfur.General operating items:Production and sales:Scorched powder

Xinzhi Coal Mine of Huozhou Coal and Electricity Group Co., Ltd., established on 2007-02-02, Business scope includes mining of mineral resources:coal mining;Coal wholesale and processing;water,Electricity,Warm line inspection and maintenance,Mechanical and electrical equipment repair(Except for special equipment);Wholesale and retail chemical products(Excluding hazardous chemicals),building materials(Except for forest wood);crop farming,Aquaculture,Coal mine technology development and service;Industrial supplies sales;Metal material processing;Industrial and mining equipment leasing;Real estate leasing;road freight transport.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shenhua Shendong Coal Group Co., Ltd. is a Chinese company located in Erdos and ultimately controlled by the Government of China. The firm operates as an investment holding company.