2026 Top 10 Three-Phase Four-Wire Manufacturers in China

Shanghai Obao Industrial Co., Ltd

Shanghai Obao Industrial Co., Ltd., with its registered address at Room J1497, Building 1, No. 2222 Huancheng Road, Juyuan New District, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Administration. The legal representative is Sun Ziyang, and the business scope includes general projects: sales of mechanical and electrical equipment; Electronic product sales; Sales of solar thermal utilization equipment; Sales of electrical equipment; Installation services for ordinary mechanical equipment; Residential water and electricity installation and maintenance services; Sales of office equipment; Retail of hardware products; Sales of household appliances; Operation of wires and cables; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Organize cultural and artistic exchange activities; Conference and exhibition services. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: construction project construction. (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: Three-Phase Four-Wire, Diesel Welding Machine, 12Kw Diesel Generator

Weifang Fengmao Power Equipment Co., Ltd

Weifang Fengmao Power Equipment Co., Ltd., with its registered address located west of Tengfei Road and north of Industrial Second Street in Weicheng Economic Development Zone, Weifang City, Shandong Province, is registered with the Market Supervision Administration of Weicheng District, Weifang City. The legal representative is Li Zhenhua, and the business scope includes general projects such as the manufacturing of generators and generator sets; Sales of generators and generator sets; General equipment manufacturing (excluding special equipment manufacturing); Sales of agricultural machinery; Sales of mechanical parts and components; Manufacturing of electrical equipment; Sales of mechanical and electrical equipment; Sales of rubber products; Sales of plastic products; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Sales of power facilities and equipment; Operation of wires and cables; Sales of firefighting equipment; Sales of electrical equipment; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; General equipment repair; Mechanical equipment leasing; Manufacturing of vibration and noise reduction equipment; Sales of vibration and noise reduction equipment; Sales of metal structures; Battery sales; Sales of special equipment; Import and export of goods; Technology import and export. (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: Three-Phase Four-Wire, Diesel Generator Set, Diesel Generator

Runshi Power (Shandong) Co., Ltd

Runshi Power (Shandong) Co., Ltd., with its registered address in Zhaoge Village, Wangjiazhuang Street, Xiashan District, Weifang City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Weifang Xiashan Ecological Economic Development Zone. The legal representative is Yang Shujuan, and the business scope includes general projects: sales of electronic components and electromechanical component equipment; Manufacturing of generators and generator sets; Manufacturing of pumps and vacuum equipment; Manufacturing of specialized equipment for environmental protection; Manufacturing of construction machinery; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of pumps and vacuum equipment; Sales of specialized equipment for environmental protection; Sales of construction machinery; Sales of mechanical equipment; Sales of special equipment; Sales of electrical equipment; Sales of generators and generator sets; General equipment repair; Electrical equipment repair; Electronic product sales; Manufacturing of distribution switch control equipment; Sales of metal fittings for construction; Sales of mechanical and electrical equipment; Sales of intelligent power transmission and distribution and control equipment; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Special equipment manufacturing. (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: Three-Phase Four-Wire, Weichai Generator Set, High Voltage Generator

Jiangsu Yuanshun Electric Technology Co., Ltd

Jiangsu Yuanshun Electric Technology Co., Ltd., with its registered address located in the Industrial Concentration Zone of Liubao Town, Baoying County, is registered with the Baoying County Administrative Approval Bureau. The legal representative is Jiang Yuanchang, and its business scope includes the research and development, manufacturing, and sales of sliding wires, busbars, cable trays, and high-voltage testing equipment; Sales of wires and cables, safety tools, lighting fixtures, electric heating coils, water pumps, ceramics, instruments and meters, and insulation materials. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Three-Phase Four-Wire, Contactless Sliding Contact Line, Power Bus

Beijing Huibotun Electromagnetic Compatibility Technology Co., Ltd

Beijing Huibotun Electromagnetic Compatibility Technology Co., Ltd., registered at Room 303, 3rd Floor, Building 1-4, Jingyi Group Co., Ltd., located on the south side of Shengfang Road, Qiangaomidian, Daxing Economic Development Zone, Daxing District, Beijing. The registration authority is the Market Supervision Administration of Daxing District, Beijing, and the legal representative is Zhao Jianming. The business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Single purpose commercial prepaid card agency sales; Sales of broadcasting and film equipment; Wholesale of computer software, hardware, and auxiliary equipment; Sales of communication equipment; Sales of sewing machinery; Retail of hardware products; Sales of mechanical equipment; Engineering and technical services (excluding planning management, survey, design, and supervision); Wind power generation technology services; Software sales; Promotion services for new material technology; Manufacturing of electronic components and electromechanical equipment; Import and export of goods; Technology import and export; Import and export agency. (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law.) (Business activities prohibited or restricted by national and local industrial policies shall not be engaged in.). Core products: Three-Phase Four-Wire, Three Phase Three Wire Filter, Specialized Filters For Automation/Intelligent Manufacturing Equipment

Shandong Tengyun Electric Co., Ltd

Shandong Tengyun Electric Co., Ltd., with its registered address at Room A1-1-1807, Building 1, Rongjian Fortune Times Center, No. 26566 Jingshi Road, Dianbei Road Street, Huaiyin District, Jinan City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Huaiyin District, Jinan City. The legal representative is Wang Li, and the business scope includes wholesale and retail of mechanical equipment, steel, electrical equipment, mechanical parts, and hardware products; Installation and sales of sliding contact wires. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Three-Phase Four-Wire, Single Pole Sliding Contact Line, Sliding Contact Wire Accessories

Shandong Yingze Intelligent Technology Co., Ltd

Shandong Yingze Intelligent Technology Co., Ltd., with its registered address at W15, West Zone of Duchen Intelligent Manufacturing Industrial Park, Qingzhou Economic Development Zone, Weifang City, Shandong Province, is registered with the Qingzhou Market Supervision Administration Bureau and represented by Yang Bo as the legal representative. Its business scope includes general projects such as the development of intelligent water management systems; Intelligent control system integration; Sales of generators and generator sets; Sales of electrical equipment; Sales of power facilities and equipment; Sales of mechanical and electrical equipment; Sales of electrical accessories; Sales of distribution switch control equipment; Research and development of electromechanical coupling system; Research and development of distribution switch control equipment; Research and development of motors and their control systems; Engineering and technical research and experimental development; Mechanical equipment leasing; General equipment repair; Electrical equipment repair; Installation services for ordinary mechanical equipment; Manufacturing of generators and generator sets; Motor manufacturing; Manufacturing of mechanical and electrical equipment; Manufacturing of electrical accessories; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of distribution switch control equipment; Manufacturing of power facilities and equipment; Domestic trade agency; Sales agent; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: various types of engineering construction activities; Electrical installation services; Import and export agency; Import and export of goods; Technology import and export. (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: Three-Phase Four-Wire, , Automated Unit