Qingdao LDC Technology Corp., a Sino-foreign joint venture established in 1998, is a national high-tech enterprise focused on improving power supply quality for industrial enterprises. The company is dedicated to providing highly reliable power system solutions for traditional energy sectors such as electric power, petroleum, chemicals, and coal chemical industries, as well as for new energy sectors such as nuclear power, solar thermal power, hydrogen energy, along with strategic emerging industries like new materials and semiconductors, and large-scale industrial intelligent manufacturing enterprises.
The company specializes in the research, design, and manufacturing of chambers and related complete products used in semiconductor, photovoltaic, silicon carbide, vacuum coating, and aerospace equipment, as well as Class I, II, III pressure vessel equipment. Currently, it has become a leading player in the manufacturing industry of key components for photovoltaic semiconductor vacuum chambers, with its business covering major fields: resin welding, new energy (lithium-ion batteries, hydrogen energy), semiconductors, photovoltaics, pressure vessels, and OLED panels.
Harbin Transformer Limited Liability Company originally known as Harbin Transformer Factory, is located in the Yinbin Concentration Area of Harbin High-tech Development Zone. It is one of the major projects implementing Harbin’s new development strategy of “Northern Leap, Southern Expansion, Central Revival, and Strengthening Counties”. The company is a key initiative funded with an investment of 700 million yuan by the Harbin municipal government as part of the “Double Million” project (1 million volts and 1 million kVA capacity). Established in 1955, the company has over sixty years of professional transformer manufacturing history. In the 1970s, it was designated as a specific production factory for 110kV large transformer products by the national government. In the 1990s, it was again designated as a specific production factory for 220kV high-voltage large transformer products. The company’s scale, capacity, and level have been approved by six national ministries as a large Class II enterprise and one of the top 500 electrical and mechanical equipment manufacturers in China. The company passed ISO 9001 quality management system certification in August 1997, and in August 2003, it again passed the quality management system certification for the ISO 9001:2000 standard. In 1998, it was recommended by the Ministry of Foreign Trade and Economic Cooperation as a major manufacturer of essential equipment for urban and rural power grid construction and transformation nationwide.
Founded in 1991, Zhengchao Electric is a company that develops and manufactures medium and low voltage switchgear. Its products are used in power generation, transmission, distribution and consumption. Its products include 12/24/40.5kV air/gas insulated switchgear (with vacuum circuit breakers) and 12/24/40.5kV ring main unit.
Huludao Zhongdian Electric Power Equipment Co., Ltd. is a key high-tech enterprise in China, established in October 1969. As one of Liaoning Province’s key enterprises, the company has been in operation for 53 years. With total assets of 266.96 million yuan and covering an area of 100,000 square meters, the company employs over 300 staff members. Its annual production capacity is 12 million kVA, with annual revenue exceeding 100 million yuan.
The company is the fourth in China to manufacture 220kV power transformers, contributing significantly to the construction, operation, and maintenance of the power grid. It has provided over 3,500 power transformers rated 66kV and above, totaling approximately 315,000 MVA. Within Liaoning Province, its 220kV transformers account for 52% of operations, and its products are also exported to 21 provinces, cities, and autonomous regions, including Hainan, Sichuan, Ningxia, Qinghai, Fujian, Guizhou, Tibet, and Inner Mongolia, earning widespread trust and support from its customers.
The company occupies an area of 95,000 square meters, with 30,000 square meters dedicated to production buildings. Equipped with strong technical expertise, advanced equipment, and scientific management, the company produces a wide range of power transformers with voltage levels from 66kV to 220kV and capacities from 6,300 kVA to 240,000 kVA for on-load tap-changing transformers, as well as 630 kVA to 450,000 kVA for off-circuit tap-changing transformers. These transformers include single-phase, three-phase, double-winding, triple-winding, autotransformer, air-cooled, water-cooled, and self-cooled models. Additionally, the company manufactures silicon steel, amorphous alloy oil-immersed, dry-type distribution transformers, and box-type transformers with voltage ratings of 10kV to 35kV. It is also capable of manufacturing, upgrading, and servicing 500kV power transformers, and can undertake the construction of complete projects for units of 100MW and below, as well as 220kV and lower transmission lines and substations.
The company’s strong design and development capabilities are backed by high-level experts from both domestic and international backgrounds, forming a research and development team led by PhDs. The technical team consists of 48 personnel, including 3 professor-level senior engineers, 1 PhD, 12 senior engineers, and a workforce with 100% of employees holding a bachelor’s degree or higher.
With more than 400 general and specialized production equipment, including automated transformer core cutting lines, vertical winding machines, a 2,000-ton hot press, CNC steel plate cutting machines, a 480KW computer-controlled vapor phase drying system, and CNC insulation processing equipment, the company also boasts a high-voltage testing hall equipped with a 3,000kV lightning impulse test device and 500kV power frequency testing equipment. The hall also houses a 7,500kW power frequency generator set, winding characteristic testers, and harmonic analyzers. These advanced facilities ensure that accurate and reliable test data can be provided according to IEC standards.
XYZ Storage Technology Corp., Ltd. was established on July 2, 2021, with a registered capital of 500 million RMB. The company focuses on the research and development of new energy storage products based on electrochemical energy storage, system integration for energy storage power stations, and smart operations for energy storage facilities.
XYZ Storage aims to build a light-asset, intelligent, and digital platform company, with the capability to implement energy storage systems across all application scenarios, including new energy generation, thermal storage frequency regulation, grid side, and user side. The company has accumulated design and integration experience from battery modules to power station systems, providing comprehensive energy storage solutions that feature modular combinations, mobile deployment, and intelligent management.
The company is investing in the construction of a smart factory located in Fangshan District, Beijing, covering an area of 30,000 square meters. In mid-November 2022, two production lines at the smart factory commenced operations, with a planned annual production capacity of over 6 GWh.
Hefei Midea Hekang Photovoltaic Technology Co., Ltd. (referred to as Midea Photovoltaics) is a photovoltaic industry company under Midea Group. It is a comprehensive asset development and operation platform that integrates the development, design, construction, intelligent operation and maintenance, and professional consulting services for various renewable energy models, including photovoltaic power plants. The company primarily engages in centralized and distributed photovoltaic applications, wind power, and other renewable energy solution-related businesses, and is committed to becoming a global leader in the renewable energy sector as a product provider.
Midea Photovoltaics is gradually expanding its business across the country. By adhering to stringent material selection standards, comprehensive testing standards, mature and diverse technical solutions, an efficient transportation system, a professional construction team, a complete quality management and acceptance system, and intelligent operation and maintenance services, the company supports the national dual-carbon strategy and rural revitalization.
Currently, Midea Photovoltaics focuses on three main business areas: residential photovoltaic solutions, commercial and industrial photovoltaic solutions, and green electricity for villas under the Midea brand. In the future, the company plans to establish residential photovoltaics as its foundation while accelerating the market promotion of commercial and industrial products and villa solutions.
Lucky Film Company Limited has successively passed ISO9001 and ISO14001 quality and environmental management system certifications and is a provincial-level safety standardization secondary certified enterprise. The company is equipped with modern production equipment and comprehensive supporting facilities, including advanced production lines for medical materials, imaging information products, and optical film coating, among others. It also has a well-equipped quality assurance center with advanced testing methods and a logistics management center. The company strictly controls product quality at every stage—from raw materials to intermediate products and finished products. It makes full use of LIMS (Laboratory Information Management System) to establish a complete product quality information system, ensuring the traceability of the entire product quality process and maintaining strict quality control.
During the “13th Five-Year Plan” period, despite a highly competitive market environment, the company adhered to its development strategy, focusing on four major business areas: medical materials, imaging information, photovoltaic materials, and lithium battery materials. The company continuously optimized its industrial structure, enhanced its competitive strength, and achieved new milestones in business scale. The medical materials market experienced rapid growth year after year, establishing the company as a leader in domestic brands, with sales ranking among the top globally. The imaging materials business further expanded its market presence, leading the domestic color photographic paper market. Photovoltaic materials achieved significant success in both domestic and international markets, becoming a pillar industry for the company. Lithium battery material production technology made breakthroughs, and conditions for large-scale production and sales are now in place, laying a foundation for future growth. The international market layout gradually improved, with export revenue increasing annually. During the “13th Five-Year Plan” period, export business revenue grew at an average annual rate of 13%.
In the “14th Five-Year Plan” period, the company will continue to be driven by the market, supported by technological advancements, lean production, and management innovation. Focusing on medical materials, photovoltaic materials, imaging materials, and lithium battery materials, the company will adhere to the principles of high-quality development, efficient management, and effective business operation. It will focus on improving profitability, control capabilities, and innovation, fully implementing high-quality development requirements, and building the company into a world-class service provider for imaging materials and new energy materials systems.
Tianjin Meiteng Technology Co., Ltd. is a high-tech enterprise with strong overall capabilities. It has established five major R&D departments: the Mining Technology Research Institute, the Innovative Intelligence Research Institute, the Industrial Technology Research Institute, the Mining Equipment Research Institute, and the Recycled Resources Research Institute, forming a technical team of over 300 people with comprehensive R&D, testing, and manufacturing bases.
The company focuses on the R&D, design, manufacturing, and sales of four core product categories: intelligent equipment, intelligent instruments, intelligent systems, and intelligent platforms. It has developed six major coal solutions centered on power coal sorting, coking coal sorting, integrated underground mining, production control solutions, large-scale coal blending systems, and industrial intelligence. Additionally, it offers three major mining solutions focused on mineral deep pre-selection, intelligent flotation, and mining intelligence, as well as three major recycled resource solutions centered on comprehensive utilization of gangue, deep sorting and recovery of metals, and recycling of power batteries. Currently, its intelligent dry sorting equipment can effectively sort 18 types of minerals, with the TDS intelligent dry sorter ranking among the top in the domestic coal gangue sorting industry market share.
Fonrich New Energy has a comprehensive team covering R&D, supply chain, production, sales, engineering, quality control, and after-sales service. As one of the earliest companies in China to develop and apply arc detection technology, Fonrich boasts over six years of experience in DC arc detection. It is among the first companies in the country to obtain UL1699B certification, with cumulative shipments exceeding 20 GW. Additionally, its combiner box monitoring equipment has an annual shipment volume exceeding 5 GW, with total shipments surpassing 50 GW.
Fonrich’s Smart IoT Solution provides “module-level” safety protection and digital management systems for distributed photovoltaic power stations based on IoT principles. Key functions include module-level rapid shutdown, module power optimization, module-level arc fault protection, module data monitoring, and string disconnection fault protection to proactively ensure safety and facilitate fault location.
This solution encompasses four major products: Smart Safety Protector, Smart Safety Optimizer, Combiner Box Monitor, and Arc Fault Detector. Intelligent data analysis is conducted through the SafeSolar Smart Monitoring Cloud Platform, which includes a mobile app and web data platform. The smart solution integrates cutting-edge platforms and technologies, such as power line carrier communication technology, front-end big data collection and interaction technology, cloud computing, AI data management platforms, and a comprehensive IoT unified supervision platform.
The SafeSolar Smart Monitoring Cloud Platform by Fonrich New Energy is an intelligent management system that combines the expertise of photovoltaic new energy safety protection specialists, tailored for photovoltaic professionals. This platform enables monitoring of the energy generation, power, voltage, monitored current, temperature, arc detection, and location of the safety protection system. Users can quickly locate components needing remote management through their mobile devices, tablets, or computers, allowing them to check the system’s generation status anytime and anywhere, and providing technical support for enhancing photovoltaic generation safety.