He Harbin Power Plant Valve Company Limited is the vice chairman unit of the Valve Branch of the China General Machinery Industry Association. It was founded in 1954 as part of the 156 key construction projects supported by the Soviet Union during China’s First Five-Year Plan. The company has evolved through several stages, including Harbin Boiler Factory’s second workshop, the Valve Branch Factory, the Power Station Valve Development Division, and Harbin Boiler Valve Co., Ltd. In January 2008, it was officially renamed He Harbin Power Plant Valve Company Limited and is now one of the key subsidiaries of Harbin Electric Corporation.

As the first mixed-ownership reform pilot enterprise of Harbin Electric Corporation, Harbin Valve was included in the “Double Hundred” enterprises list by the State-owned Assets Supervision and Administration Commission (SASAC) in August 2018. By the end of 2020, the company completed its mixed-ownership reform. After the reform, the company has a registered capital of RMB 177.78 million, with Harbin Electric Corporation holding 45% of the shares, while the Double Hundred Fund, Longjiang Revitalization Fund, and other funds hold around 31%, the employee stock ownership platform holds 10%, and upstream and downstream enterprises in the supply chain hold 14%.

The company covers an area of 75,000 square meters, with a production area of 42,000 square meters, and operates two plants in Pingfang and Xiangfang districts. It is equipped with world-class processing, testing, and trial equipment, with an annual production capacity of around 2,400 tons.

The company specializes in the design and manufacture of valves, water level measurement devices, and desuperheating and depressurization devices for various industries, including thermal power, nuclear power, solar thermal, petrochemicals, and military sectors. Its main products include full-bore safety valves, molten salt safety valves, gate valves, stop valves, check valves, hydrostatic test plug valves, and new types of regulating valves. The company offers over 40 series and more than 3,000 varieties of products. Its products are sold to power plants and supporting enterprises across China and exported to countries such as Japan, India, Vietnam, Turkey, Indonesia, and Pakistan. The company is ranked among the top in the domestic valve industry, particularly excelling in the high-temperature, high-pressure thermal power valve segment, where it holds a leading position.

Chongqing Transformer Co., Ltd. specializes in producing large transformers of 220kV and above. As a continuing enterprise, Chongqing Transformer focuses on manufacturing small and medium-sized transformers of 110kV and below.

Chongqing Transformer Co., Ltd. relocated to the high-tech zone of Tongliang District in 2012 for environmental compliance, with a registered capital of 108 million RMB. It is located at No.19 Jinshan Avenue, Tongliang Industrial Park, close to the Chongqing-Suzhou Expressway, with convenient transportation. Chongqing Transformer is a key enterprise under Chongqing Machinery & Electronics Holding (Group) Co., Ltd. The company has applied for a total of 184 patents, with 50 currently valid patents, including 13 valid invention patents and 3 software copyrights. It holds general contracting qualifications for power engineering and mechanical and electrical engineering, as well as a Level 3 permit for power facility installation (repair and testing). The company has comprehensive management systems for quality, environment, occupational health, and services.

Chongqing Transformer owns advanced production and testing equipment, including the German Georg silicon steel sheet cutting line and the German Hübers epoxy resin casting production line. It primarily produces oil-immersed transformers of 110kV and below, epoxy resin cast dry-type transformers of 35kV and below, various special transformers, as well as high- and low-voltage intelligent switchgear, distribution boxes, and box-type transformers. These products are widely used in power, grid, highway, airport, rail transit, hospital, school, industrial, and construction sectors.

Tianjin Ping Gao Intelligent Electric Co., Ltd., established in 2012, is a subsidiary of Pinggao Electric under China Electrical Equipment Group and a key enterprise in electrical equipment manufacturing supervised by the State-owned Assets Supervision and Administration Commission of the State Council.

The company covers an area of 465 mu, with a total investment of 1.4 billion yuan. It boasts 3 digitized modern factories and 29 fully automated production lines, mastering the research and manufacturing technologies for core components such as vacuum interrupters, solid-sealed pole units, indoor vacuum circuit breakers, and operating mechanisms, as well as complete switchgear equipment including switch cabinets, gas-insulated cabinets, ring main units, box-type substations, pole-mounted switches, and transformers.

The company's leading products are widely used by major energy state-owned enterprises such as State Grid Corporation of China, China Southern Power Grid, and the "Big Five and Six Small" power generation groups, as well as other critical sectors. With its strong technical capabilities and exceptional manufacturing standards, the company has been recognized as a National High-tech Enterprise, a National Specialized, High-end and Innovation-driven "Little Giant" Enterprise, a National Intellectual Property Advantage Enterprise, a National Green Factory, and a National Outstanding Intelligent Factory.

As a leading supplier of large-scale high-end power equipment in China, Tianjin Pinggao will consistently uphold its corporate spirit of "Pursuing Excellence, Striving for First-class" and fulfill its mission of "Empowering Smart Electrical Systems, Leading Green Energy." The company is committed to continuously providing customers with advanced and reliable power equipment and system services.

Beijing Jianlong Heavy Industry Group Co., Ltd. (Abbreviated as “Jianlong Group”) is a large enterprise group integrating industries such as resources and steel. The group’s operations encompass various activities including resource exploration, mining, mineral processing, smelting, processing, and product manufacturing, possessing a relatively complete industrial chain. Currently, Jianlong Group has the capacity to mine and process 44.3 million tons of ores (including iron, copper, molybdenum, vanadium, and phosphate), over 43 million tons of crude steel smelting and rolling capacity, 150,000 deadweight tons of shipbuilding capacity, 15,000 tons of vanadium pentoxide smelting capacity, as well as a production capacity of 4.58 million tons of coke, 80 million sets of bearings, and the design and manufacturing capabilities of 350 MW conventional power station boilers, high-pressure heaters exceeding 600 MW, large chemical containers, and stainless steel containers.

Boer (Wuxi) Power System Co., Ltd., originally founded in 1985 as Wuxi Power Instrumentation Complete Equipment Factory, currently has a registered capital of USD 71 million. It operates two major production bases in Wuxi and Yixing, with a total production area exceeding 110,000 square meters and over 800 employees, providing customers with one-stop power distribution system solutions. For four decades, the company has adhered to its core values of "Heart as Vast as the Ocean, Achieving Customers, Honoring Commitments, Never Giving Up," focusing on the design, R&D, manufacturing, and sales of switchgear complete equipment technology and products. It actively collaborates with world-leading multinational companies such as Schneider Electric, Siemens, and Sydenham (under Temper). Since 1998, Boer was the first to obtain authorization for licensed production of Schneider Electric branded cabinets and became Schneider Electric China's largest and most comprehensive platinum partner. In 2011, Boer became the global processing center for Sydenham's LVset, MVset, and XGreen series of medium- and low-voltage complete equipment. Partnering with Indonesian electrical giant AGN to establish a joint venture, it has expanded into the Southeast Asian market. In 2023, Boer collaborated with Huawei to become a HarmonyOS partner, continuously breaking through in the field of intelligent power distribution.

The company's product portfolio fully covers all types of medium- and low-voltage switchgear and power grid automation management systems up to 40.5kV, primarily under the Sydenham, BOER, Schneider, and ABB brands. Its product lineup includes LVset, MVset, XGreen, XSmart, Xunit, XGS, MNS, ZBW, WCS, GZDW, EA8, MVnex-HP, PIX, SM6, RM6, OKKEN, BLOKSET, PRISMA, and other medium- and low-voltage complete equipment series and solutions. These are widely applied across industries such as transportation, infrastructure, building construction, telecommunications, and healthcare, with products safely serving more than half of the countries and regions worldwide.

In October 2010, at the Hong Kong International Financial Centre, Boer successfully listed on the Hong Kong Stock Exchange under Boer Power Holdings Limited (Stock Code: HK01685). The successful IPO not only provided broader development opportunities but also imposed higher standards on the company. The future is an extension of the past—past achievements are merely the foundation for new successes. Today's Boer, with greater enthusiasm and an open mindset, upholds its "Branding, Diversification, Internationalization" sustainable development strategy, striving to build Boer excellence and achieve its "100 Billion in Revenue, 100 Years of Legacy" brand vision.

Beijing Zhengzhuo EngineeringTechnology Co., Ltd. (hereinafter referred to as Zhengzhuo) is a national high-tech enterprise and a specialized, high-end and innovation-driven SME in Beijing, established in December 2000 and approved by national market supervision authorities. As a company dedicated to power supply and power improvement solutions, Zhengzhuo has been engaged in product research and development, production, and sales activities in accordance with laws and regulations within its approved business scope for over twenty years. The company has consistently received an AAA credit rating, ISO 9001 quality management system certification, ISO 14001 environmental management system certification, and ISO 45001 occupational health and safety management system certification, and has become a key supplier to hundreds of government agencies and enterprises. Zhengzhuo is a major supplier under the uninterrupted power supply framework agreements with PetroChina, Sinopec, and CNOOC.

In 2010, the company registered the Zhengzhuo trademark with the National Intellectual Property Office and updated the registration in 2020. The Zhengzhuo factory, located in Zhongshan, Guangdong, covers more than 3,000 square meters and primarily manufactures a variety of power supply products under the Zhengzhuo brand with independent intellectual property rights, with an annual production capacity of hundreds of units. Zhengzhuo's product lineup includes IGBT hydrogen production power supplies, industrial integrated lithium battery systems, dynamic voltage stability control systems (VCS), uninterruptible power supplies (UPS), DC power supplies, static transfer switch systems (STS), intelligent battery inspection instruments, and related distribution products. In 2018, Zhengzhuo independently developed and produced the Zhengzhuo Voltage Stability Control System (VCS) to address voltage sag issues, which has been successfully used in multiple 1-megawatt or larger capacity devices at Sinopec's integrated refining and chemical plant, receiving positive feedback from users. Based on customer and market demand, Zhengzhuo introduced an industrial lithium battery system solution in 2019, which has since been applied in various projects. In 2024, Zhengzhuo signed a strategic cooperation agreement with a national laboratory to jointly develop the "IGBT Hydrogen Production Power Supply Key Technology Research for Electrolyzers with a Capacity of 4000 Standard Cubic Meters and Below" project to enter the green hydrogen market. Zhengzhuo's products currently hold certifications from TIER Center, Power Equipment Testing Center, CQC Green Certification, CE European Union Certification, Cape Certification, and Sabre Certification. The IGBT hydrogen production power supply has obtained a national laboratory test report and a scientific and technological evaluation report, achieving a leading level in China. Zhengzhuo is also actively involved in the formulation of national and industry standards, focusing on technological innovation and application. The company has obtained over 40 intellectual property rights, including invention patents, software copyrights, and utility model patents.

Dalian Insulator Group Co., Ltd. is a high-tech enterprise specializing in the R&D, production, and sales of line porcelain insulators, composite insulators, substation porcelain, and electrical appliances. With a century of development, it has accumulated extensive operational experience, offering reliable product performance and a highly reputable brand.

The company's business segmentation falls within the insulator and surge arrester industry of the power equipment sector. Its products are primarily used in transmission lines with the highest national voltage levels, serving insulation and conductor support functions. Alongside other transmission and transformation equipment, they form transmission networks of various voltage levels, ensuring power transmission. The company is one of the few in the industry capable of independently developing, manufacturing, and deploying both ultra-high voltage porcelain and composite insulators in transmission lines.

The company covers an area of 230,000 square meters and is equipped with comprehensive production and testing facilities. A scientifically structured process layout provides a solid foundation for large-scale manufacturing.

In 2022, the company built a new 158,000-square-meter plant, integrating its latest porcelain insulator manufacturing technology and equipment, with an investment exceeding several hundred million yuan.

The company integrates the industrial chain with the innovation chain and drives industrial development through innovation. Relying on its enterprise technology center platform, it was the first in the industry to successfully develop and mass-produce AC/DC 420kN and 550kN products, breaking foreign monopolies in this field. It pioneered domestically the cylindrical head products for mechanized production and new aluminum oxide formulation products, enhancing product performance while leading industry advancements. The company has won the State Council’s Science and Technology Progress Award three times and received multiple mechanical industry technology progress awards. By aligning with China's power grid demands for efficiency improvements, the company continuously refines its products and has supplied nearly 10 million insulators for over 40 ultra-high voltage projects nationwide.

Deeply engaged in the suspension porcelain insulator sector, the company focuses on independent innovation and collaborative R&D. It possesses full-series AC/DC insulator development and production capabilities. In collaboration with Tsinghua University, it has developed composite insulators and, leveraging its cross-disciplinary expertise in porcelain and composite insulators, successfully created hybrid insulators, contributing to insulation replacement in power grids.

Hubei Tianteng Heavy Machinery Co., Ltd. is a national high-tech enterprise and a "specialized, high-end, and innovation-driven" small giant enterprise specializing in the research, design, and manufacturing of non-coal mining underground equipment in China.

The company independently developed and designed the country's first prying trolley, mobile crusher trolley, and charge trolley, and became the first to pass the national safety standard product certification, filling a domestic gap. Its products have reached international advanced levels, with a 100% domestic manufacturing rate, fully replacing foreign counterparts. The product manufacturing standards have been adopted by national standard management agencies. The products are included in the first batch of safety production promotion catalogs by the State Administration of Work Safety and are selected by the National Institute of Safety Production as technology application products for comprehensive management of safety hazards in non-coal mine underground operations.

The company is deeply rooted in innovation and R&D in the field of non-coal mining underground equipment. It owns nearly 40 products across 8 categories with independent intellectual property rights, achieving "full coverage" of non-coal mining underground auxiliary equipment. Many product technologies are the first of their kind in China, addressing key gaps, and the company has obtained over 50 national patents, including for inventions and utility models. Its products dominate the domestic market, holding a leading position in the industry, and have been ranked first in sales in the domestic market for several consecutive years. The products are exported to South America, Africa, Eastern Europe, Russia, and other countries and regions.

Chinalco Luoyang Copper Processing Co., Ltd. (hereinafter referred to as Luoyang Copper Processing) is located in Luoyang, known as the "Millennium Imperial Capital and Peony Flower City". Founded in 1954, the company mainly engages in the production and operation of copper and copper alloy plates, strips, foils, tubes, rods, profiles, as well as aluminum and magnesium plates and strips, with an annual production capacity of 170,000 tons. It is currently one of the most competitive comprehensive copper processing enterprises in China. Its products are widely used in various fields including energy, electronics, transportation, construction, communications, power, aerospace, metallurgical machinery, etc., and are sold to both domestic and international markets.

Shanghai Huhang Valves Co., Ltd. is located in Shanghai and was established in 2001. Shanghai Huhang is a Chinese enterprise engaged in the research, development, manufacturing, and sales of high-pressure, medium-pressure, and low-pressure valves. Shanghai Huhang offers valves compliant with standards such as GB, API, DIN, ANSI, GOST, and BS, including gate valves, ball valves, globe valves, butterfly valves, and control valves. Shanghai Huhang Valves has established cooperative relationships with many countries, such as Europe, Central Asia, and Southeast Asia. Shanghai Huhang valves enjoy an excellent reputation among customers for their superior quality.