2026 Top 10 Three Phase Isolation Transformer Manufacturers in China

Shanghai Ruiyun Electric Appliance Manufacturing Co., Ltd

Shanghai Ruiyun Electric Appliance Manufacturing Co., Ltd., with its registered address at Building H, No. 1518 Songzheng Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Hu Qin, and its business scope includes the manufacturing, processing, and sales of electrical equipment and components; Wholesale and retail of electronic products, transformers, voltage regulators, hardware and electrical equipment, communication equipment, high and low voltage complete sets of equipment, instruments and meters, building decoration materials (excluding dangerous goods), and metal materials. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Three Phase Isolation Transformer, Step-Up Transformer, Silicon Molybdenum Rod Heating Transformer

Yancheng Yuntao Transformer Manufacturing Co., Ltd

Yancheng Yuntao Transformer Manufacturing Co., Ltd., registered at No. 88 Huaxing Avenue, Longgang Town, Yandu District, Yancheng City (Yancheng Phoenix High tech Park) (F), registered with the Yandu District Administrative Approval Bureau of Yancheng City, with Wang Ronggang as the legal representative. Its business scope includes the manufacturing and sales of mining explosion-proof dry-type transformers, mobile substations, oil immersed transformers, resin dry-type transformers, special transformers, box type substations, high and low voltage switchgear, mining explosion-proof electrical products and their spare parts. (D) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Three Phase Isolation Transformer, Transformer

Wuxi Xien Electric Co., Ltd

Wuxi Xien Electric Co., Ltd., registered in Zone A, Gangxia Industrial Park, Donggang Town, Xishan District, Wuxi City, with the administrative approval bureau of Xishan District and Qian Ming as the legal representative. Its business scope includes the manufacturing, processing, technology development, technology transfer, and technical services of transformers, iron cores, power equipment, electrical complete sets of equipment, environmental engineering equipment, sound insulation and noise reduction equipment, and ordinary mechanical equipment; Import and export business of various commodities and technologies through self operation and agency, except for commodities and technologies restricted or prohibited from import and export by the state; Housing rental services; Road transportation of ordinary goods. (Projects that require approval by law must be approved by relevant departments before conducting business activities) Licensed projects: Power generation, transmission, and supply business (projects that require approval by law must be approved by relevant departments before conducting business activities, and specific business projects are subject to the approval results) General projects: Manufacturing of electronic components and electromechanical equipment (except for projects that require approval by law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Three Phase Isolation Transformer, Magnetic Field Coil,

Shanghai Voltage Regulator Factory

Shanghai Voltage Regulator Factory, registered at No. 183 Huining Road, Shanghai, with the Huangpu District Market Supervision Bureau as the registration authority and Chen Yanshun as the legal representative. Its business scope includes voltage stabilizers, transformers, distribution cabinets, screens, boxes, DC screens, variable speed and frequency equipment and accessories. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Three Phase Isolation Transformer, , Marine Variable Frequency Power Supply

Zhejiang Zhengxi Electric Group Co., Ltd

Zhejiang Zhengxi Electric Group Co., Ltd., with its registered address at No. 555 Chezhan Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, is registered with the Yueqing Market Supervision Administration Bureau and represented by Zheng Yu. Its business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Manufacturing of new energy prime mover equipment; Manufacturing of distribution switch control equipment; Manufacturing of photovoltaic equipment and components; Manufacturing of instruments and meters; Research and development of distribution switch control equipment; Manufacturing of electronic components; Manufacturing of mechanical and electrical equipment; Sales of new energy original equipment; Sales of distribution switch control equipment; Sales of photovoltaic equipment and components; Sales of instruments and meters; Wholesale of electronic components; Sales of mechanical and electrical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export (except for projects that require approval according to law, business activities are carried out independently based on the business license in accordance with the law).. Core products: Three Phase Isolation Transformer, Contactless Voltage Regulator, Frequency Converter

Zhongzhong Intelligent (Jining) Design and Research Institute

Zhongzhong Intelligence (Jining) Design and Research Institute, registered address located at Block B, 4th Floor, Xieying Technology Building, No. 18 Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City, with Xiao Xuexue as the legal representative. Its business scope includes general projects: mining machinery manufacturing; Sales of mining machinery; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of mechanical equipment; Engineering and technical research and experimental development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Software sales (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law) License project: technology import and export; Import and export of goods (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Three Phase Isolation Transformer, Lifting Equipment, Explosion-Proof Electrical Equipment

Zhejiang Quan (Shanghai) Electrical Equipment Manufacturing Co., Ltd

Zhejiang Quan (Shanghai) Electrical Equipment Manufacturing Co., Ltd., with its registered address at Building H39, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Zhu Lin. Its business scope includes research and development, manufacturing, processing, maintenance (excluding installation, maintenance, and testing of power facilities), and sales of electrical equipment, electrical equipment, power equipment, transformers, voltage regulators, explosion-proof electrical appliances, electrical control cabinets, distribution boxes, switches, water pumps, and valves (excluding pressure); Sales of metal materials, wires and cables, building materials, lighting fixtures, packaging materials, and wooden products. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Three Phase Isolation Transformer, 380V To 220V415v420v480v690v1140v, Isolation Transformer