Top 5 Solar Connector Manufacturers in China in 2025
Jan 20, 2025
As an indispensable component in the photovoltaic system, the quality and performance of solar connectors directly affect the efficiency and life of the entire solar power generation system. China is a global leader in solar panel manufacturing, providing a wide range of high-quality products to meet the needs of various markets around the world. This article focuses on the top five manufacturers, analyzing their development status, product technology, market performance and future trends.
Contents
1. Current Status of China's Solar Connector Industry
2. Overview of China's Top Solar Connector Manufacturers
3. Market Performance
4. Future Development Trends
1. Current Status of China's Solar Connector Industry
Market Size
According to Global Market Research, the solar connector market will grow from US$1.04 billion in 2023 to US$1.16 billion in 2024. It is expected to grow at a compound annual growth rate of 8.1% from 2025 to 2034. In the Chinese market, the market size of solar connectors has exceeded RMB 10 billion in 2023. It is expected that by 2028, the market will continue to grow, with a compound annual growth rate (CAGR) of about 10%-15%, showing a rapid growth trend.
Competition landscape
Market competition is becoming increasingly fierce, and many companies are competing in technology research and development, product quality, price and service. Head companies have occupied a large market share with their brand advantages, technological accumulation and scale effects.
2. Overview of China's top solar connector manufacturers
1)Hongzhou Cable Co., Ltd.
Overview: Hongzhou Cable Co., Ltd. is headquartered in Haiyan County, Zhejiang Province, and focuses on the research and development and manufacturing of high-quality solar connectors and cable products. The company has strong production capabilities, with 10 power cord and wire production lines with a monthly output of 7.2 million meters; 24 power cord extension injection molding machines with a monthly output of 2.7 million pieces; 3 power socket assembly lines with a monthly output of up to 420,000 pieces.
Main products and technologies
Solar branch connector: Made of highly conductive materials, it has corrosion resistance and high temperature resistance, effectively ensuring the stable transmission of electricity.
Solar fuse connector: With integrated fuse protection function, it has high current carrying capacity and high voltage resistance, ensuring the safe operation of photovoltaic systems.
Solar panel connector: With excellent UV and water resistance, it can adapt to various complex environmental conditions and ensure long-term stable operation.
Certification and quality control
Hongzhou Cable products have passed ISO 9001:2000, VDE, UL, CE, SAA and other international certifications, strictly follow international standards, and ensure that product quality reaches the international advanced level.
2)Jiangsu Handa Power Technology Co., Ltd.
Overview: Jiangsu Handa Power Technology Co., Ltd. is headquartered in Suzhou, Jiangsu Province. It is a high-tech enterprise focusing on the research and development and manufacturing of new energy connectors. Its business covers multiple fields such as solar connectors and energy storage connectors, and has developed multiple series and multiple models of products.
Main products and technologies
Solar communication connector: used for communication connection of photovoltaic power generation systems, with strong compatibility, which can meet the real-time data transmission requirements between different communication standards and devices.
Energy storage connector: ensures the stability of the electrical connection between the solar cell group and the energy storage device, has excellent high-voltage and high-temperature resistance, and ensures long-term stable operation.
Solar DC connector: uses high-conductivity materials and performs anti-corrosion treatment to effectively improve power transmission efficiency and ensure system safety.
Solar branch connector: used for parallel connection of multiple solar panels or components, the design fully considers the long-term use requirements under high current and high voltage environments, and ensures the stability and efficiency of the parallel circuit.
3)Wenzhou Feimai Electric Co., Ltd.
Overview: Wenzhou Feimai Electric Co., Ltd. was established in 2003 and is located in Wenzhou City, Zhejiang Province. It focuses on the production of photovoltaic control components. Products include various DC isolators, combiners and PV connectors, etc., which are widely used in various links of photovoltaic power generation systems.
Main products and technologies
DC photovoltaic cable: uses high-quality cable materials, can withstand high voltage and high current, is suitable for DC power transmission of photovoltaic power generation systems, and ensures stable power transmission.
DC photovoltaic connector: adopts waterproof, dustproof and UV-resistant design, meets TUV and CE certification standards, and can operate stably and long-term under different climatic conditions.
DC photovoltaic branch connector: used for parallel connection between photovoltaic modules, using advanced metal materials, with good conductivity and corrosion resistance, to ensure efficient and safe power transmission.
4)Zhejiang Dabao Electric Co., Ltd.
Overview: Zhejiang Dabao Electric Co., Ltd. is located in Liushi Town, Wenzhou City, Zhejiang Province. It focuses on the production of photovoltaic connectors, junction boxes and related products, continues to innovate, is committed to improving product quality, and expands international market share.
Main products and technologies
MC4 solar connector: adopts advanced waterproof and dustproof design, has good mechanical properties and anti-aging ability, suitable for electrical connection of various photovoltaic systems.
Solar junction box: used to gather power from multiple photovoltaic modules, the design fully considers the high current and high voltage transmission requirements, to ensure efficient and safe operation of the system.
Automatic transfer switch: used for DC current switching in photovoltaic power generation systems, with high arc resistance, to ensure the safety and reliability of the system.
5)LEADER GROUP
Overview: LEADER GROUP is a professional supplier of photovoltaic connectors. Its products are widely used in all aspects of photovoltaic power generation systems, and have passed TUV/UL certification. It has a large customer base and rich product lines around the world.
Main products and technologies
Solar connectors: This series of connectors complies with TUV and UL standards, is compatible with a variety of solar module connectors, and is suitable for cables ranging from Ø2.5mm² to Ø10mm². It has waterproof, dustproof and high temperature resistance characteristics, suitable for photovoltaic systems in various environments.
Solar cables: Highly conductive materials are used to ensure stable and efficient power transmission. At the same time, it has strong weather resistance and oxidation resistance, suitable for long-term use.
Waterproof cable connectors: Designed for outdoor environments, it has excellent waterproof, dustproof and UV resistance capabilities, and can operate stably in extreme environments.
Photovoltaic junction box: Used to connect photovoltaic modules to power systems, it has short-circuit protection, overload protection and other functions, effectively improving the safety and stability of the system.
3. Market performance
1) Hongzhou Cable Co., Ltd.: With its extensive sales network and customer resources, it occupies a large share of large-scale ground photovoltaic power station projects in China, and its one-stop product services are trusted by project parties. Internationally, it actively expands overseas, establishes brands through exhibitions and cooperation with dealers, and gradually expands its product share in emerging market countries and regions.
2) Jiangsu Handa Power Technology Co., Ltd.: It has outstanding performance in distributed photovoltaics, especially industrial and commercial projects, and meets the intelligent needs of enterprises with its technological advantages. Internationally, it has entered the markets of developed countries such as Europe and the United States with its technological innovation and product advantages, and cooperated with internationally renowned companies to demonstrate the strength of Chinese enterprises.
3) Wenzhou Feimai Electric Co., Ltd.: It has won a large number of orders in photovoltaic poverty alleviation projects in the central and western regions with its high-quality and cost-effective photovoltaic control components. Internationally, it optimizes its products for the climate and needs of Southeast Asia and Africa, and occupies a certain share in the local market.
4) Zhejiang Dabao Electric Co., Ltd.: It has a place in the high-end photovoltaic market in China, and its products such as MC4 solar connectors are used in large-scale high-quality projects. Internationally, it participates in competition by improving quality technology, and its products are widely used in projects in countries along the "Belt and Road" to enhance its international influence.
5) LEADER GROUP: It has emerged in the high-end solar connector market in China with its internationally certified high-quality products and rich product lines. Internationally, its products that have passed TUV/UL certification have a stable customer base around the world, focus on brand building and technical exchanges, and its products are widely used in projects in Europe, the United States, Asia and other places.
Key factors of market performance:
Technological innovation: Improving the performance and stability of solar connectors through technological innovation enables manufacturers to meet the growing market demand.
Capacity expansion: Leading manufacturers have expanded their production scale, increased production capacity, and ensured the stability of the supply chain.
Policy support: The Chinese government's policy support for the photovoltaic industry, including tax exemptions, financial subsidies, etc., has provided strong support for solar connector manufacturers.
1) Intelligent and digital integration: In order to adapt to the trend of intelligent development of solar photovoltaic systems, solar connectors will integrate more intelligent functions. In the future, more connectors will have intelligent functions such as automatic monitoring, fault diagnosis and remote control to improve the overall efficiency and reliability of photovoltaic systems.
2) Application of environmentally friendly materials: Against the background of increasing global environmental awareness, solar connector manufacturers will pay more attention to the green and environmental performance of their products. In the future, recyclable and pollution-free environmentally friendly materials will be widely used to reduce the emission of harmful substances in the production process and ensure that the environmental impact of products is minimized throughout their life cycle.
3) Growth of the distributed market: With the characteristics of miniaturization and convenient installation, the demand for solar connectors may continue to increase in the future. The compatibility and versatility of the products will also expand with the connection needs of photovoltaic modules of different brands and specifications.
4) Global market expansion: China's leading solar connector manufacturers are expanding their strengths in the global market, and the demand growth in emerging market countries will become an important growth point in the market in the next few years.
5. Summary
In 2025, the top five solar connector manufacturers in China will show their strengths. Hongzhou Cable will be based at home and abroad with production capacity and product lines; Jiangsu Handa will enter the international high-end with technological innovation; Wenzhou Feimai will gain specific and partial markets with cost-effectiveness; Zhejiang Dabao will enhance its influence by focusing on high-end and innovation; LEADER GROUP will gain global customers with experience and certified products.
In the future, we will continue to strengthen technological innovation, adapt to the market, pay attention to environmental protection, improve quality services, and contribute to the photovoltaic industry.
