China Coal Beijing Coal Mining Machinery Co., Ltd. (abbr as "BMJ"), established in October 1958, is a subsidiary of China National Coal Group Corporation. In 2006, it became part of its parent company's dual listing on the A+H share markets. BMJ developed China's first BZZB chock shield hydraulic support in 1970 and achieving mass production in 1972. After decades of innovation and development, the company has become a leading integrated solution provider for underground coal mining equipment in China. It is capable of designing and manufacturing more than 1000 models of hydraulic supports in various specifications, with height ranging from 0.55 meters to 10 meters, working resistance from 1800kN to 29000kN, and center distance from 1.25 meters to 2.4 meters. The company's products serve all major coal-producing regions across China and have been successfully exported to key coal-producing countries worldwide, including Russia, Australia, Belarus, India, Kazakhstan, Bangladesh, Vietnam, and the United States. BMJ has made significant contributions to the localization of China's coal mining equipment and the modernization of the coal industry from manual and semi-mechanized to fully mechanized and the realization of mining operation with "Safe, Green, Clean, Efficient" goals. BMJ covers an area of over 133 ha, with 5 key subsidiary enterprises, more than 3000 employees, and total assets 8887 million Yuan.
TJK Intelligent Equipment Manufacturing (Tianjin) Co., Ltd. is the first listed company in China's intelligent rebar processing equipment industry and a leading national-level specialized, high-end and innovation-driven "Little Giant" enterprise, a high-tech enterprise, and a national intellectual property demonstration enterprise. As of the end of 2024, the company holds over 600 valid patents, including nearly 300 invention patents and more than 10 invention patents in Hong Kong, Macao, Taiwan, and overseas. It has registered over 100 trademarks, including more than 40 in Hong Kong, Macao, Taiwan, and abroad, and secured nearly 20 software copyrights. The company has received multiple national and regional awards, including the China Patent Excellence Award, Tianjin Patent Gold Award, Tianjin Patent Excellence Award, Tianjin Science and Technology Progress Award, Tianjin Technical Invention Award, and Tianjin Beichen District Science and Technology Progress Award. In the first half of 2023, it was ranked 458th in the "2022 China Enterprise Patent Strength Top 500."
Currently, the company has grown into one of the largest and globally leading enterprises in the intelligent rebar processing robot equipment industry, with the most comprehensive product categories and supporting systems, as well as the highest production and sales volume in China. Its products cover the research, development, design, production, and sales of various medium- and high-end intelligent CNC rebar processing robot equipment and supporting software. The company also provides integrated solutions for intelligent CNC rebar processing robot equipment and smart rebar processing factories, adhering to a customer-order-centric, full-lifecycle green and sustainable service philosophy. Its products are widely used in large and medium-scale infrastructure projects such as high-speed railways, highways, bridges and tunnels, urban rail transit, underground pipelines, sponge cities, nuclear power and hydropower, water conservancy, port terminals, and airport construction, as well as in new urbanization projects, prefabricated construction (including civil and engineering projects), and rebar processing and distribution centers. These products help clients achieve green transformation and digital upgrades of production equipment, creating smart factories that encompass the entire business process, production elements, and value chain of digital rebar processing.
Beijing Tianhai Industry Co., Ltd. (hereinafter referred to as "Tianhai Industry") is a key subsidiary of Beijing Jingcheng Machinery Electric Holding Co., Ltd., under Beijing Jingcheng Machinery Electric Co., Ltd. (abbreviated as Jingcheng Stock, H-share stock code 00187, A-share stock code 600860). It is a group company with several professional gas storage and transportation equipment production bases (Tianhai Hydrogen Energy, Shanghai Tianhai, Tianjin Tianhai, Kuancheng Tianhai, Minghui Tianhai, Jiangsu Tianhai) and one American company. Tianhai Industry and its subsidiaries hold design and production qualifications for A2 high-pressure vessels, B1 seamless gas cylinders, B2 welded gas cylinders, B3 fiber-wound gas cylinders, B4 low-temperature insulated gas cylinders, B5 dissolved acetylene gas cylinders, C2 tank containers, and D medium and low-pressure vessels. They can produce over 800 varieties and specifications of products, including seamless steel gas cylinders, glass fiber hoop-wound gas cylinders, carbon fiber fully-wound composite gas cylinders (including Type III and Type IV cylinders, and respirators), asbestos-free acetylene cylinders, welded gas cylinders, welded insulated gas cylinders (including those for vehicles), fixed pressure vessels, low-temperature tank containers, marine tanks, CNG/LNG/H2 vehicle gas supply systems, and gas filling stations, widely used in industries such as automotive, chemical, firefighting, medical, petroleum, energy, urban construction, food, metallurgy, machinery, and electronics.
Tianhai Industry has consistently adhered to the corporate spirit of "integrity, dedication, learning, innovation, and aiming for excellence," establishing a strong corporate image with safe and reliable products and high-quality services. It has successively received honors such as Top 100 Chinese Enterprises, Top Ten Foreign-invested Enterprises in Beijing, Beijing High-tech Enterprise, Leading Enterprise in China's Metal Pressure Vessel Manufacturing Industry, National "May 1st Labor Award," "Beijing Specialized, High-end and Innovation-driven 'Small Giant' Enterprise," and National "Specialized, High-end and Innovation-driven Small Giant" Enterprise.
Rizhao Steel Holding Group Co., Ltd. was established in 2003 and is an integrated iron and steel enterprise that combines sintering, ironmaking, steelmaking, rolling, pickling, coating, pipe manufacturing, and cement production. Rizhao Steel has always adhered to innovation-driven development and pragmatic execution. In 2008, it became China's youngest steel enterprise to reach the 10-million-ton level; in 2013, it exclusively introduced the world's most advanced ESP technology and equipment, leading innovative and leapfrog development in domestic steel rolling production processes; in 2022, the Rizhao Steel Group brand value reached 11.67 billion yuan, ranking fifth in the metallurgical and non-ferrous metals industry.
The main products of Rizhao Steel include flat materials (hot-rolled, pickled, galvanized, and galvalume coils and sheets), section steel, rebar, wire rod, welded pipes, and by-products (granulated blast furnace slag, finely ground slag, fly ash, desulfurization gypsum, and cement products).
The Rizhao Steel Group is continuously advancing toward high-end, intelligent, and green development, becoming the world's largest production base for high-quality ultra-thin strip steel. It is China's first steel enterprise to fully master the key core technologies of ESP with independent intellectual property rights. Multiple indicators have repeatedly set world records, with compliant ironmaking capacity exceeding 20 million tons and steelmaking capacity reaching 19.4 million tons. The construction of the industry's most competitive demonstration cluster featuring 3000m³-class blast furnaces and 300-ton converters is progressing rapidly, with key indicators ranking among the best in the industry
Xi'an XD High Voltage Bushing Co., Ltd., a wholly-owned subsidiary of China XD Electric Co., Ltd., is the only "national team" in China's specialized bushing manufacturing field. It is the sole high-tech enterprise in China capable of simultaneously manufacturing and delivering application performance for ultra-high voltage AC bushings, converter transformer valve-side bushings, and DC wall bushings. It is also the only Chinese manufacturer that fully covers all voltage levels and product categories of bushings, capable of providing full-range bushing products from 40.5kV to 1100kV for engineering projects.
Xi'an XD High Voltage Bushing Co., Ltd. is a high-tech enterprise integrating R&D, manufacturing, testing, and service. Relying on its independently controllable core strengths, it has ascended to the global high ground of power transmission and transformation technology.
110 key products have reached world-leading levels and have repeatedly won honors such as the First Prize of the National Science and Technology Progress Award and the Special Prize of China Machinery Industry Science and Technology Award. Each achievement is a badge of quality for Chinese manufacturing and powerful proof of independent innovation.
From the country's first 330kV AC transmission project to the successful operation of the world's first ±1100kV DC wall bushing; from the national "West-to-East Power Transmission" strategy to the Three Gorges Project, from the Changji-Guquan UHV project to the Shaanxi North-Wuhan Energy Channel, the footprint of XD bushings is deeply engraved in every major domestic power transmission and transformation project.
Today, the company's products not only fully cover the national energy grid but are also exported to more than 20 countries including the United States, Russia, and India, truly achieving the leap from "serving domestic demand" to "global export" and from "Chinese brand" to "world-renowned brand," bringing China's power transmission and transformation technology onto the global stage.
Generations of XD Bushings people have remained true to their original aspiration, guided by the corporate spirit of "diligence, pragmatism, innovation, and grand achievement," continuously advancing and excelling on the journey of manufacturing core power transmission equipment.
XD Bushings, with hardcore technology guarding the nation's energy arteries, and with unremitting struggle building the dream of a powerful nation for national rejuvenation!
XD Bushings, with hardcore technology guarding the nation's energy arteries, fulfilling the corporate mission through perseverance and innovation, injecting strong momentum into national energy security and industrial upgrading.
Founded in 1989, SANY Group is a multinational company that is pursuing the vision of "building first-class enterprises, fostering first-class talents, and making first-class contributions to society". With the strategy of "Globalization, Digitalization, Decarbonization", SANY has been striving to build a global brand and become a leading equipment manufacturer in the industry.
With three listed companies, including SANY Heavy Industry, SANY International, and SANY Renewable Energy, SANY's core businesses are equipment manufacturing for engineering machinery, covering a full product portfolio, including concrete machinery, earthmoving machinery, hoisting machinery, road machinery, piling machinery, port machinery, mining machinery, petroleum drilling machinery, etc.
Besides, SANY is also striving to enter the new energy industry, including wind power, hydrogen energy, photovoltaic power, and energy storage. SANY also vigorously promotes the electrification of existing products, contributing to the emission reduction goals of the United Nations.
Now with a sales network covering over 180 countries and regions, SANY's overseas sales set a record high, accounting for over 40% of the group's total sales. In 2025, SANY ranked first in China's construction machinery industry on multiple prestigious lists, including the Forbes Global 2000, the Hurun China 500, the China Enterprise Confederation China Top 500 Enterprises, the China Top 500 Manufacturing Enterprises, and the All-China Federation of Industry and Commerce China Top 500 Private Enterprises, demonstrating its strong overall capabilities. The GYBrand Global Brand Research Institute included SANY in the "2026 World's Top 500 Brands list", listing at the 477th position as the only engineering machinery company on the list.
Sticking to our mission, "Quality Changes the World", SANY invests about 5% of its annual revenue in R&D. By the end of 2025, SANY has applied for a total of 35,387 patents, with 17,517 patents granted.
SANY remains at the forefront of transformative change, harnessing the power of technology to drive progress and shape a brighter future for generations to come.
WISDRI Steelmaking and Continuous Casting Co., Ltd. (abbreviated as "WISDRI SMCC") is a wholly-owned subsidiary of WISDRI Engineering & Research Co., Ltd., which is under China Metallurgical Group Corporation, a subsidiary of China Minmetals Corporation, one of the "Fortune Global 500" companies. It is the largest specialized engineering company in China focused on steelmaking and continuous casting. In 2022, it was selected as a National "Manufacturing Single Champion Demonstration Enterprise." The company currently has nearly 600 employees, with more than 45% holding master's degrees or above, and approximately 50% of technical staff holding senior engineer or higher professional titles.
Since the 1950s, the company has continuously led technological and equipment upgrades in the steel industry through key technology breakthroughs, productization practices, and industrialized applications. It successfully developed China's first domestically produced mechanical stirring hot metal desulfurization station, RH vacuum treatment unit, and ROKOP continuous casting machine; independently designed China's first 320-ton converter; and built China's largest quantum electric arc furnace, China's largest special steel square billet and heavy special-shaped billet continuous casting machine, and the square billet caster with the highest casting speed. These achievements have made important historical contributions to promoting independent control of high-end metallurgical equipment and the modernization of the steel industry. The company has consistently adhered to the core strategy of independent innovation, with a postdoctoral workstation and pilot and manufacturing bases. It has cumulatively received more than 70 national and provincial/ministerial-level science and technology awards, patent awards, and achievement appraisals, holds more than 580 valid national patents, and has led or participated in the formulation of more than 8 national, industry, and local standards.
Over the years, the company has provided in-depth services to hundreds of leading steel enterprises at home and abroad, completing the design, equipment supply, and EPC contracting for more than 300 large- and medium-sized steelmaking projects, and constructing more than 400 continuous casting production lines with over 2,000 strands of various types. Its technical strength and engineering quality have been highly recognized by the industry, earning more than 200 national and industry-level engineering honors such as the National Quality Project Award and National Outstanding Engineering Design Award, and gaining full recognition and widespread trust from all sectors of society and clients.
TBEA Shenyang Transformer Group Co., Ltd. was founded in 1938 and has more than 80 years of history in transformer research and development and manufacturing. It is the leader in technological development, standard setter, cradle of industry talent cultivation, participant in green energy, practitioner of UHV projects, pioneer in independent and controllable products, service provider of power transmission and transformation solutions, and practitioner in the global power equipment sector, always committed to serving global energy construction with "Made in China" innovation.
The company possesses a complete power transmission and transformation industry chain, with its main focus on the manufacturing, R&D, and testing of high-voltage, ultra-high-voltage, and extra-high-voltage AC/DC transmission and distribution equipment as well as high-voltage bushings and instrument transformers. It has formed a coordinated industrial layout that integrates manufacturing services such as instrument transformers, high-voltage bushings, integrated technologies, intelligent operation and inspection of power equipment, modern logistics, and international turnkey EPC projects for power transmission and transformation. It is one of the companies in China and globally that has undertaken the most national major projects, key projects, and localization substitution initiatives in the power transmission and transformation field, maintaining a leading market share in the industry. It ranks among the top in UHV AC/DC, ultra-high voltage, nuclear power, million-kilowatt thermal power, and large-scale hydropower sectors.
The company has established more than 70 offices worldwide, supplying over one thousand sets of high-voltage and ultra-high-voltage transformer products (66kV‒765kV) to more than 100 countries and regions. It actively participates in overseas grid planning and EPC turnkey projects, capable of providing integrated "turnkey" engineering services—including survey, design, construction, installation, commissioning, operation, maintenance, and training—for substations and transmission lines of all voltage levels up to 765kV overseas, achieving comprehensive export of products, technologies, brands, and standards.
To date, the company has cumulatively developed 177 world-class new products, set 67 world-first records, holds 390 patented technologies with independent intellectual property rights, and has participated in the formulation of 115 domestic and international industry standards. It has won 6 National Science and Technology Progress Awards, including 2 Special Prizes, 2 First Prizes, and 2 Second Prizes; 4 Special Prizes of China Machinery Industry Science and Technology Award, 2 China Single Item Champion Awards, and 175 various provincial and ministerial-level science and technology progress awards and patent awards.
Zhejiang Hongsheng New Material Technology Group Co., Ltd. is located in Quzhou City, Zhejiang Province. It has a registered capital of 150 million RMB, more than 1,500 employees, and production bases in Zhejiang, Liaoning, Anhui, and Jiangsu with a total land area of 674 mu and a plant area of 290,000 square meters. The company has total assets of 1.9 billion RMB and an annual output value of 1.5 billion RMB.
Zhejiang Hongsheng Composite Materials Technology Co., Ltd. (hereinafter referred to as "Hongsheng Composite Materials") is a wholly-owned subsidiary established by Zhejiang Hongsheng New Material Technology Group Co., Ltd. and is affiliated with the Hongsheng Group. Relying on the strong technical R&D capabilities and market advantages of its parent company, Hongsheng Composite Materials focuses on the research, development, production, and application of composite materials. It is committed to providing global customers with innovative and high-performance composite material solutions.
Founded in 1992, Shanghai Zhenhua Heavy Industries Co., Ltd. (ZPMC) is a state-owned company listed on A and B shares of Shanghai Stock Exchange and held by China Communications Construction Group. With the vision to build a core competitive edge in smart ports, ZPMC is focused on port machinery, offshore equipment, and steel structures. Guided by Xi Jinping Thought on Socialism with Chinese Characteristics for a New Era, the company enhances its strengths by anchoring on talents and technology, and accelerates towards advanced technology, intelligence, sustainability, and globalization with port applications and steel structures at the center. ZPMC aims to become a world-class equipment manufacturer with global competitiveness by providing integrated solutions that is based on modern supply chain and new-quality productive forces.
ZPMC has 8 manufacturing sites, 119 affiliated entities, and 23 crane carriers around the world. As the world's largest manufacturer of port machinery and the largest provider of port automation systems and solutions, ZPMC products are shipped to 111 markets. ZPMC is also the world's largest port machinery transport solutions provider and known for its manufacturing capability in special purpose vessels and large steel structures.