2026 Top 10 Variable Frequency Power Supply Manufacturers in China

Shanghai Zhenhua Transformer Manufacturing Co., Ltd

Shanghai Zhenhua Transformer Manufacturing Co., Ltd., with its registered address at 4th Floor, Building 3, No. 618 Huabo Road, Huating Town, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Administration. The legal representative is Lu Jianrui, and its business scope includes general projects such as power transmission and distribution and control equipment manufacturing (only simple machine processing); Transformer assembly; Sales of electrical and mechanical equipment; Sales of electrical accessories; Sales of engines and generator sets. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Variable Frequency Power Supply, Programmable Dc Power Supply, Single Phase Fully Automatic Voltage Regulator

Shanghai Ruijin Power Technology Co., Ltd

Shanghai Ruijin Power Technology Co., Ltd. is registered at Building 1, No. 502 Fenghai Road, Zhelin Town, Fengxian District, Shanghai. The registration authority is the Fengxian District Market Supervision Administration, and the legal representative is Zhou Jie. Its business scope includes technology development, technical consulting, technical services, and technology transfer in the field of power technology, as well as manufacturing, processing, wholesale, and retail of power equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Power Supply, Variable Frequency Power Supply, Dc Power Supply

Shandong Heyun Electric Co., Ltd

Shandong Heyun Electric Co., Ltd., with its registered address at Unit 301, Building 9, No. 488 Beiyuan Street, Beiyuan Street, Tianqiao District, Jinan City, Shandong Province, is registered with the Market Supervision Administration of Tianqiao District, Jinan City. The legal representative is Wang Chao, and the business scope includes general projects such as sales of electrical equipment; Research and development of distribution switch control equipment; Sales of industrial automatic control system devices; Sales of electrical signal equipment devices; Sales of photovoltaic equipment and components; Sales of intelligent power transmission and distribution and control equipment; Sales of power electronic components; Manufacturing of transformers, rectifiers, and inductors [branch operations]; Sales of wind turbines and their components; Information system integration services; Sales of security equipment; Sales of communication equipment; Sales of power facilities and equipment; Sales of mechanical equipment; Electrical equipment repair; Wholesale of electronic components; Battery sales; Retail of computer software, hardware, and auxiliary equipment; Wholesale of hardware products; Information technology consulting services; Operation of wires and cables; Sales of mechanical and electrical equipment; Sales of electrical instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of electrical accessories; Retail of hardware products; Manufacturing of mechanical and electrical equipment [branch operation]; Sales of distribution switch control equipment; Sales of seals; Sales of firefighting equipment; Sales of intelligent instruments and meters; Battery leasing; Software sales; Sales of information security equipment; Contract energy management; Sales of refrigeration and air conditioning equipment; General equipment repair; Installation services for ordinary mechanical equipment; External contracting projects; Construction of earthwork engineering; Manufacturing of power electronic components [branch operation]; Manufacturing of optical communication equipment [branch operation]; Manufacturing of industrial automatic control system equipment [branch operation]; Manufacturing of electrical signal equipment devices [branch operation]; Manufacturing of capacitors and their supporting equipment [branch operation]; Manufacturing of power transmission, distribution and control equipment [branch operation]; Manufacturing of electronic components and electromechanical equipment [branch operation]; Manufacturing of power facilities and equipment [branch operation]; Manufacturing of distribution switch control equipment [branch operation]; Personal business services. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: installation, maintenance, and testing of power transmission, power supply, and power receiving facilities; Installation of civil nuclear safety equipment; Electrical installation services; Construction project construction; Construction labor subcontracting; Import and export of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Variable Frequency Power Supply, Variable Frequency Power Supply, Inverter

Suzhou Dahaishen Power Equipment Co., Ltd

Suzhou Dahaishen Power Equipment Co., Ltd., with its registered address located at the southwest half of the 4th floor, No. 6 Matangwan Road, Suzhou Industrial Park, registered with the Suzhou Industrial Park Administrative Approval Bureau and represented by Yuan Chaohui as its legal representative. Its business scope includes general projects such as mechanical and electrical equipment manufacturing; Manufacturing of electronic components and electromechanical equipment; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of distribution switch control equipment; Sales of mechanical and electrical equipment; Battery sales; Electronic product sales; Wholesale of computer software, hardware, and auxiliary equipment; Sales of power electronic components; Sales of advanced power electronic devices; Sales of electronic measuring instruments; Sales of distribution switch control equipment; Sales of instruments and meters; Sales of experimental analytical instruments; Wholesale of hardware products; Information system integration services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Computer and office equipment maintenance; Electrical equipment repair; Instrument and meter repair; General equipment repair; Specialized equipment repair; Repair of daily electrical appliances; Maintenance of electronic and mechanical equipment (excluding special equipment); Import and export agency; Import and export of goods (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Variable Frequency Power Supply, Conventional Variable Frequency Power Supply, Programmable Dc Power Supply

Jinan Deming Power Equipment Co., Ltd

Jinan Deming Power Equipment Co., Ltd., with its registered address at 12A, China Computing Valley Future Intelligent Manufacturing Center, Liandong U Valley, Kejia Road, Suncun Street, High tech Zone, Jinan City, Shandong Province, is registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee. The legal representative is Jing Linfeng. Its business scope includes the technical development, assembly, and sales of wind turbine controllers, solar controllers, chargers, inverters (excluding batteries), non specialized communication equipment, electrical equipment and accessories, solar equipment and accessories, wind turbines, and electronic products; Wholesale and retail of batteries, electronic components, hardware and electrical equipment; Development and technical services of computer software and hardware technology; Computer system integration; Computer comprehensive cabling; Import and export business. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Frequency Power Supply, Off Grid Photovoltaic Inverter, Grid Connected Controller

Suzhou Paier Electromechanical Co., Ltd

Suzhou Paier Electromechanical Co., Ltd., with its registered address at Room 102, Building 30, Changxin Garden, No. 168 Changwu Road, Suzhou City. The registration authority is the Suzhou Gusu District Administrative Approval Bureau, and the legal representative is Zhu Meijuan. Its business scope includes the sale of hardware and electromechanical equipment, plastic products, mold fixtures, packaging materials and consumables, electronic instruments, electronic and electrical products, chemical products (excluding dangerous goods), building materials, labor protection supplies, office supplies and consumables, and automation equipment; Installation, maintenance, and upkeep of automation equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Frequency Power Supply, Switching Power Supply, Ac Power Supply

Shiguan Electric (Shanghai) Co., Ltd

Shiguan Electric (Shanghai) Co., Ltd., with its registered address at No. 4257 Shaji, Caojing Town, Jinshan District, Shanghai, is registered with the Jinshan District Market Supervision Administration. The legal representative is Chao Milian, and its business scope includes the manufacturing and sales of transformers, voltage stabilizers, welding machines, high and low voltage electrical appliances, and complete sets of mechanical equipment, as well as the installation and maintenance services of electromechanical equipment (excluding special equipment). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Power Supply, Voltage Regulator, Voltage Regulator