Baotou Beifang Chuangye Co., Ltd.'s (hereafter as company) main business includes the research, development, sales, and service of railway freight cars and components, special vehicles, pressure vessels and storage tanks, large structural components and assemblies, and containers.
The company possesses strong research and development capabilities, with expertise in the R&D and manufacturing of complete railway vehicles, bogies and related accessories, and large structural components. Over the past 40 years of development, the company has successively developed a full range of models covering 60-ton to 100-ton grades, including open wagons, tank wagons, flat wagons, covered wagons, and hopper wagons. It is one of the seven enterprises in China's railway freight car sector with leading design authority. In recent years, the company has thoroughly implemented the requirements for high-quality development, centering on the "One Core, Two Supports" development strategy and adhering to the work positioning of "large enterprises with a grand vision, large enterprises undertaking significant endeavors." While comprehensively promoting transformation and development, the company has strengthened and optimized its core business of railway vehicles, while gradually forming a competitive support business system, including tank containers and pressure vessel products.
The company owns industry-leading production lines for center sills, underframes, side walls, end walls, car bodies, and painting. It is equipped with advanced machinery, power equipment, and testing equipment, with key manufacturing and testing processes for wheelsets and car body production utilizing manufacturing capabilities imported from Italy, the United States, Germany, and other countries. Since its establishment, the company has supplied nearly 100,000 railway freight car products to domestic and international markets. Its product markets span Asia, Africa, the Americas, and Oceania.
Looking to the future, the company will align with the strategic vision of "building a world-class provider of railway freight cars and specialized logistics equipment", deeply promoting the "one core, two supports" development strategy, vigorously advancing structural adjustments, technological innovation, reform breakthroughs, and management foundation strengthening, to undertake the mission, shoulder responsibilities, and provide support for building a world-class special vehicle R&D and manufacturing group adapted to Chinese-style modernization.
Shenzhen Winline Technology Co., Ltd., founded in 2007, is a global provider of EV charging solutions and next-generation power system solutions. Headquartered in Shenzhen, China, Winline Technology operates a comprehensive office, research, and manufacturing facility covering 60,000 square meters in Changshu, Jiangsu Province. To better serve clients worldwide, Winline Technology has established a branch office in Berlin, Germany in 2022.
We focus on the R&D and manufacturing of electric vehicle charging module, EV charger, high voltage direct current (HVDC) power supply, battery energy storage system (BESS), smart microgrid devices and intelligent energy management systems. This is to enhance power utilization and efficiency conversion in the field of new energy.
With nearly 1,000 employees, nearly 300 of whom are expertise engineers in R&D, Winline Technology adheres to the philosophy of "endless innovation, collective growth", having obtained over 170 authorized invention patents in China and 20 international patents under the Patent Cooperation Treaty (PCT). We are the contributing member of national standardization of EV charging module and EV charger in China. Also, Winline Technology participated in formulation of the unified CHAOJI high power DC fast charging standard by China Electricity Council and Japan Electric Vehicle Fast Charger Association (CHAdeMo).
By the end of 2025, our products have served electric vehicles in over 50 countries and regions worldwide, spanning China, Europe, South Korea, Southeast Asia, Central Asia, the Middle East, North America, Australia, Africa, and others. Winline Technology is dedicated to providing smarter charging solutions and microgrid management system solution for global users, collaborating with partners worldwide to realize our shared vision of "making energy smarter, making the Earth better."
Lanzhou LS Heavy Equipment Co., Ltd. (abbreviated as “LSPE”, stock code: SH603169) was founded in 1953 and is a pioneer in China's petrochemical equipment manufacturing industry. Its predecessor (Lanzhou Refining and Chemical Equipment Factory) was one of the 156 key construction projects during China's First Five-Year Plan and is renowned as the “Cradle and Backbone of China's Petrochemical Machinery.” It was listed on the Shanghai Stock Exchange on October 9, 2014. LS Heavy Equipment supports the construction of a manufacturing powerhouse through energy equipment, forming a traditional advantageous industry centered on refining, petrochemical, and coal chemical equipment and integrated solutions; a strategic emerging industry focused on “nuclear, hydrogen, solar, and storage” new energy equipment, intelligent metal rolling equipment, high-efficiency energy-saving heat exchange equipment, and high-temperature alloy materials; and a productive service industry mainly comprising engineering consulting and design services, inspection and testing, digital intelligence, and maintenance services. The company possesses integrated comprehensive service capabilities covering R&D and design, production and manufacturing, EPC general contracting, investment and operation, and after-sales inspection and testing, establishing itself as a provider of overall solutions for high-end energy equipment.
DW/TXS Construction Equipment (Beijing) Co., Ltd. was started in the 1990s and was officially established in 2001. It is the earliest specialized leading enterprise in China engaged in the research, development, manufacturing, and sales of horizontal directional drilling rigs for trenchless technology.
Located in the Huoxian Development Zone of Tongzhou District, Beijing City, DWTXS covers an area of approximately 60,000 square meters. With well-equipped machining workshop, accessory warehouse, assembly workshop, finished product warehouse, experimental base, office building, and dormitory complex.
The founder and leaders of the company are pioneering practitioners in China's geological development and oil and gas exploration industry, with rich technical knowledge and production experience reserves in the trenchless industry, making positive contributions to geological development and pipeline crossing in China and even the world.
The company's main product horizontal directional drilling rig has gradually developed and improved from small drilling rigs (below 100 tons) in the early stage. In order to meet the market demand of the trenchless industry, it has successively developed and launched medium and large-scale products, covering the range of 200-500 tons. In recent years, in order to support the needs of national key development projects and large-scale engineering, our company has already completed the research and manufacturing of 1300 ton horizontal directional drilling rigs, and successfully used them in domestic key engineering crossings, making significant contributions to China's trenchless and energy construction.
The company has developed to nearly 150 employees, including a technology development team of nearly 30 members. All employees are top-level elite designers in the manufacturing industry, with industry-leading design concepts and global product design thinking. With products as the center and services as the wings, all members of the company are welcoming new challenges with full enthusiasm.
Shandong Taikai Apparatus Complete Co., Ltd. was established in 2004 with a registered capital of 600 million yuan. It is a national high-tech enterprise specializing in switchgear, circuit breakers, prefabricated substations, and 1E-grade nuclear power distribution cabinets, integrating R&D, design, production, sales, and services. It is the first domestic manufacturer to provide switchgear for million-unit nuclear power plants, pioneering the use of domestic equipment in million-kilowatt nuclear power units.
The company owns a modern factory covering 138,000 square meters, including the largest single workshop and digital production workshop in the industry in Asia. It is equipped with world-class flexible sheet metal processing lines, intelligent switch assembly lines, and fully automatic electrostatic spraying lines, establishing industry-leading mass production capabilities, with an annual assembly capacity of over 50,000 switchgear panels.
The company has established 7 provincial-level R&D platforms and employs nearly 1,000 professional technical staff, forming an integrated innovation system comprising the "Provincial Engineering Technology Research Center + Enterprise Technology Center + Industrial Design Center." It collaborates strategically with institutions such as the China Electric Power Research Institute, Xi'an Electric Apparatus Research Institute, and North China Electric Power University, holding 245 patents, including 31 invention patents, and participating in the formulation of 10 national standards and 8 industry standards. The KYN28 and KYN61 series products have been awarded the title of provincial manufacturing single champion.
The company's products are widely used in major power generation enterprises such as State Grid, China Southern Power Grid, State Power Investment Corporation, and Huaneng Group, covering sectors including power, power plants, petrochemicals, railways, new energy, and industrial and mining fields. Products are exported to over 40 countries and regions worldwide.
Adhering to the corporate spirit of "integrity, honesty, pragmatism, and innovation" and the corporate mission of "pursuing excellence and giving back to society," the company aims to build a leading technology talent pool and innovation team, provide top-tier power equipment, and continuously contribute to the development of the power industry!
Weihai Guangtai Airport Equipment Co., Ltd. (referred to as "Weihai Guangtai") is the leader in China's airport ground support equipment industry and a leading manufacturer of "air-ground integrated" emergency rescue equipment. The company was listed on the Shenzhen Stock Exchange in January 2007 (stock code: 002111). As of the end of 2024, Weihai Guangtai has 20 subsidiaries and major affiliates, nearly 3,000 employees, total assets exceeding 6.4 billion yuan, and annual operating revenue surpassing 2.8 billion yuan.
The company focuses on high-end equipment manufacturing as its core, establishing a "dual-domain" industrial layout covering airport equipment, firefighting and rescue equipment, mobile medical equipment, drone equipment, power electronics equipment, and more. Its products include ground support equipment such as aircraft maintenance, cargo handling, cabin service, apron equipment, and passenger boarding bridges, with comprehensive capabilities to provide a complete set of ground support equipment for a single aircraft or an entire airport, offering global customers true one-stop procurement and service.
Weihai Guangtai has deeply cultivated the airport equipment sector, building an independent R&D system covering 44 product series and 482 sub-models. Its sales network spans more than 100 countries and regions worldwide, holding a leading position in key markets including Europe, the Middle East, and the Asia-Pacific region. The company has fully consolidated its full-series electrification capabilities in airport equipment, focusing on providing global customers with high-end electrified equipment and integrated electric solutions, continuously strengthening its position as the industry leader in comprehensive airport support solutions. Representative products such as electric platform vehicles have achieved normalized operations in cargo areas at more than 1,000 airports worldwide, becoming essential equipment for airport ground support operations. The company consistently adheres to a customer-value-oriented approach and has established nearly 40 on-site service stations covering major airports nationwide, various provinces and cities, the Hong Kong Special Administrative Region, Singapore, and other locations, forming a 7×24-hour rapid response mechanism. Through forward-looking investment in products and services, the company has established strategic partnerships with numerous global ground handling service providers and leasing companies, steadily advancing the internationalization of Chinese technical standards.
The Institute of Seawater Desalination and Multipurpose Utilization, Ministry of Natural Resources (Tianjin), was established in 1978 with the approval of the State Council. It is China's only national-level public welfare research institution dedicated exclusively to seawater resource utilization technology research. It is affiliated with the Ministry of Natural Resources and headquartered in Nankai District, Tianjin. The institute serves as the National Quality Supervision and Inspection Center for Sea & Brackish Utilization Products, the National Engineering Technology Research Center of Seawater Utilization, the National and Local Joint Engineering Laboratory of Seawater Desalination Technology, the Seawater Desalination and Multipurpose Utilization Branch of National Committee for Marine Technology Standardization, and the Supervision & Inspection Center for Liquid Separation Membrane Product of the Membrane Industry Association of China.
Since its establishment, the institute has focused on key areas including seawater desalination, direct seawater utilization, resource extraction, wastewater resource recovery and water ecological restoration, membrane separation, anti-corrosion coatings, core desalination equipment, seawater and brackish water utilization testing and monitoring, seawater utilization development strategy, and water resource protection and utilization. It has undertaken and completed more than 200 national, provincial, and ministerial-level scientific and technological projects, and has built a number of major national science and technology demonstration projects. As a national think tank in the field of seawater resource utilization, the institute has supported the formulation of multiple national planning strategies, including the "Special Plan for Seawater Utilization" and the "Development Plan for Seawater Utilization Standards." It holds Class A qualifications for marine industry engineering design, and has passed ISO 9001 quality management system certification, national metrological certification, and laboratory accreditation. The institute has received 3 national-level awards and more than 40 provincial and ministerial-level awards, holds over 200 authorized invention patents, and has compiled, published, and implemented 2 international standards and more than 80 national and industry standards.
Its business scope covers the entire process in the field of seawater resource utilization, including project planning, technical consultation, engineering design, manufacturing and processing, installation and commissioning, operation services, and product quality inspection and testing.
Shanghai Pinggao Tianling Switchgear Co., Ltd. ("Pinggao Tianling") was founded in 1987. It is a leading enterprise of medium-voltage power transmission and distribution equipment. Over nearly 40 years, it has built a integrated industrial layout covering R&D and manufacturing, O&M services, and engineering contracting. With a registered capital of 212 million RMB and total assets of 1.21 billion RMB, the company operates a 35,000m² modern production base and employs nearly 500 professionals, forming core competitiveness across the medium- and low-voltage power distribution industrial chain.
Pinggao Tianling has won over 50 national-level honors, including National Green Factory, National High-tech Enterprise, and National Industrial Brand Demonstration Enterprise, along with multiple municipal-level awards such as the Shanghai May 1 Labor Medal, Specialized, High-end and Innovation-driven Demonstration Enterprise, and Single Champion in GIS. Relying on China Electrical Equipment Science and Technology Research Institute and Pinggao Electric Power Distribution Technology Research Institute, it has been recognized as Shanghai Municipal Enterprise Technology Center upon the establishment of Medium-voltage GIS Research Institute. The company has won first and second prizes for provincial and ministerial-level science and technology awards, led or participated in 23 national and industry standards, and holds 132 patents, including 82 invention patents, while advancing global R&D of environmentally friendly gas-insulated medium-voltage switchgear.
Pinggao Tianling adheres to green development, taking the lead in dual certifications of energy management and social responsibility systems, completed carbon footprint certification for four core product categories, promoting photovoltaic projects and smart energy management platform to support the national "dual carbon" strategy through green practices across the entire industrial chain. It has also established a full-lifecycle quality control system of "R&D ‒ Production ‒ Delivery" and created an independent lean manufacturing system to ensure high-quality product output. Its core products serve major projects such as State Grid environmentally friendly substations and "Three Regions and Three Prefectures" power grid constructionand have been applied in key national projects including Xiong'an New Area, Pudong Airport, and Yangshan Port. Its product solutions are widely used in key fields such as energy and power, railtransit, etc., and are exported to more than 20 countries and regions including Europe, Southeast Asia, and South America.
Facing new opportunities in the construction of a new-type power system, Pinggao Tianling will continue to advance the "Smart Electricity + Green Energy" strategy, strengthen core technologies and global supply chain resilience, and strive to become a builder and leader of the smart grid ecosystem.
Beijing Fangyuan Electric Appliance Co., Ltd. was founded in 1995. The factory is located in the Chaobai River Industrial Park in eastern Beijing, covering an area of 30,000 square meters, with a registered capital of 10 million RMB. The company adheres to the development philosophy of quality, efficiency, technology, and innovation. In the fierce market competition, it has gradually become a professional manufacturing enterprise integrating R&D, production, sales, and service of cable accessories.
With the continuous development and growth of the company, it has successfully attracted a large number of high-tech talents and possesses independent R&D and production capabilities for high-tech products. Under the guarantee of a sound quality management, environmental management, and occupational health and safety management system, the company has achieved sustainable development. After years of industry experience, the company now holds dozens of patented technologies and has formed nearly a hundred products in several major series such as 15kV, 24kV, and 40.5kV.
In recent years, in response to the new requirements of the State Grid for interconnection and equipment intelligence, the company has successfully developed a series of wireless and passive online temperature measurement products. Based on the design concept of wireless and passive, the products adopt embedded wireless and passive temperature sensors. They feature small size, easy installation, accurate data transmission, and high sensitivity. They can directly monitor temperature changes inside cable joints in real time and transmit the data completely to the monitoring platform, completely solving the problems of difficult monitoring and uploading of heat at internal contacts of cable accessories and switch contacts. This ensures the safe operation of the distribution network and has become an indispensable part of equipment intelligence and systematization.
"Strive with determination and persevere in practice." After years of development and transformation, the company's products have always won the trust of power grid companies across the country and many well-known electrical enterprises. It has maintained good cooperative relationships with many well-known domestic and foreign electrical enterprises and has earned praise and recognition in cooperation with all parties. After participating in major national key projects such as the "2008 Olympic Games Venue" power distribution project and the power supply guarantee project for the celebration of the "60th Anniversary of the Founding of the People's Republic of China," in 2017 the company became a cable accessory supplier for the construction of Beijing's administrative sub-center and also participated in the construction project of Beijing Daxing International Airport. In 2019, it continued to participate in the power supply guarantee project for the "70th Anniversary of the Founding of the People's Republic of China." In 2022, during the Beijing Winter Olympics, the company once again became a cable accessory supplier for the construction of the Winter Olympics venues.