2026 Top 10 Circuit Protection Manufacturers in China

Pingdingshan Zhixin Electric Co., Ltd

Pingdingshan Zhixin Electric Co., Ltd., with its registered address at No.1 Courtyard, South District, Sanyuan Science and Technology Industrial Park, Jia County, Pingdingshan City, Henan Province, is registered with the Jia County Market Supervision and Administration Bureau of Pingdingshan City. The legal representative is Xin Cuifang, and its business scope includes general projects such as the manufacturing of capacitors and their supporting equipment; Manufacturing of distribution switch control equipment; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of power transmission, distribution and control equipment; Manufacturing of power electronic components; Electrical equipment repair; Instrument and meter repair; Sales of daily necessities; Sales of household appliances; Sales of metal materials; Sales of building decoration materials; Wholesale of hardware products; Sales of firefighting equipment; Sales of labor protection equipment; Sales of office supplies; Foreign contracting projects (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: Construction labor subcontracting (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval documents or licenses of relevant departments). Core products: Circuit Protection, Box-Type Transformer, High Voltage Ring Main Unit

Changzhou Kaichi Automation Technology Co., Ltd

Changzhou Kaichi Automation Technology Co., Ltd., with its registered address at Building 30-1, No. 8 Changxiu Road, Xihu Street, Wujin Economic Development Zone, Jiangsu Province, is registered with the Government Service Management Office of Wujin District, Changzhou City. The legal representative is Hang Haixia, and its business scope includes general projects such as research and development of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Manufacturing of distribution switch control equipment; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Sales of electrical equipment; Operation of wires and cables; Sales of power electronic components; Electronic product sales; Mechanical equipment research and development; Information technology consulting services; Wholesale of hardware products; Research and development of hardware products; Retail of hardware products; Sales of mechanical and electrical equipment; Sales of advanced power electronic devices; Fiber optic sales; Sales of electronic specialized materials; Research and development of electronic specialized materials; Sales of monitoring and control equipment for power transmission and distribution; Fiber optic cable sales; Maintenance of electronic and mechanical equipment (excluding special equipment); Sales of mechanical equipment; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of industrial control computers and systems; Rental of computers and communication equipment; Computer and office equipment maintenance; Internet equipment sales; Mechanical equipment leasing (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Circuit Protection, Certification Control Cabinet,

Changsha Pengju Robot Co., Ltd

Changsha Pengju Robot Co., Ltd., registered at B7, Jinyu Industrial Center, No. 308 Maqiaohe Road Section 2, Wangcheng Economic and Technological Development Zone, Changsha City, with the registration authority of the Market Supervision Administration of Wangcheng District, Changsha City, and the legal representative being He Zhihao. Its business scope includes general projects such as industrial robot manufacturing; Installation and maintenance of industrial robots; Sales of industrial robots; Industrial design services; Mechanical equipment research and development; Sales of mechanical equipment; Mechanical equipment leasing; Maintenance of electronic and mechanical equipment (excluding special equipment); Recycling of renewable resources (excluding productive waste metals); Import and export of goods; Technology import and export; Information technology consulting services (except for projects that require approval by law, conducting business activities independently with a business license in accordance with the law). Core products: Circuit Protection, , Robot Rental

Dongguan Xinmu Electronics Co., Ltd

Dongguan Xinmu Electronics Co., Ltd., with its registered address at Room 901, No. 68 Huali Road, Chang'an Town, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Li Jinhai, and its business scope includes general projects such as electronic product sales; Wholesale of electronic components; Sales of electronic specialized materials; Wholesale of hardware products; Sales of plastic products; Sales of mechanical 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: Circuit Protection, Chilisin , Shengmeida

Zhejiang Nano Electric Co., Ltd

Zhejiang Nano Electric Co., Ltd., located at Room H501, Building 2, No. 6 Baoda Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, was established on March 13, 2026. The registration authority is the Yueqing Market Supervision Administration, and the legal representative is Chi Xiuhua. Core products: Circuit Protection, Molded Case Circuit Breaker, Switch

Fuzhou Inweisi Industrial Automation Technology Co., Ltd

Fuzhou Yinweisi Industrial Automation Technology Co., Ltd., with its registered address at Apartment style Office, 7th Floor, Building 4, Kailong Plaza, No. 18 Zongtang Road (Original An Road 18), Mawei Town, Mawei District, Fuzhou City, Fujian Province (within the Free Trade Zone), registered with the Market Supervision and Administration Bureau of Fuzhou Economic and Technological Development Zone, and represented by Ge Xiaochun as the legal representative. Its business scope includes general projects such as engineering and technical research and experimental development; Sales of electrical equipment; Sales of distribution switch control equipment; Electronic product sales; Sales of electrical instruments and meters; Sales of instruments and meters; Sales of electronic components and electromechanical equipment; Retail of electronic components; Sales of pumps and vacuum equipment; Wholesale of hardware products; Retail of hardware products; Sales of mechanical equipment; Sales of power electronic components; Sales of electronic specialized materials; Sales of electronic specialized equipment; Sales of electrical accessories; Sales of communication equipment; Sales of IoT devices; Sales of communication equipment; Operation of wires and cables; Internet sales (except for the sale of goods that need to be licensed); Sales of metal fittings for construction; Sales of metal tools; Sales of mechanical parts and components; Sales of metal chains and other metal products; Sales of special labor protection equipment; Sales of firefighting equipment; Sales of metal structures; Sales of office equipment; Furniture sales; Sales of anti-corrosion materials; Sales of household appliances; Sales of daily necessities; Wholesale of daily necessities; Wholesale of kitchenware, sanitary ware, and daily necessities; Sales of daily necessities; Sales of sanitary ceramic products; Sales of sanitary ware; Retail of cosmetics; Sales of synthetic materials; Sales of building materials; Sales of lightweight building materials; Floor manufacturing; Sales of building waterproofing membrane products; Sales of steel reinforcement products for construction; Sales of refractory materials; Sales of building decoration materials; Wholesale of automotive spare parts; Sales of specialized teaching instruments; Retail of daily household appliances; Sales of lighting fixtures; Sales of cameras and equipment; Sales of office equipment and consumables; Retail of computer software, hardware, and auxiliary equipment; Sales of network equipment; Sales of wearable smart devices; Sales of metal materials; Sales of calculator equipment; Sales of office supplies; Retail of stationery supplies; Mold sales; Integrated circuit sales; Sales of labor protection equipment; Sales of artificial intelligence hardware; Software sales; Sales of lubricating oil; Sales of mining machinery; Sales of refrigeration and air conditioning equipment; Disinfectant sales (excluding hazardous chemicals); Sales of valves and plugs; Sales of lighting fixtures; Sales of agricultural machinery; Sales of hygiene products and disposable medical supplies; Sales of security equipment; General equipment repair; Technology import and export; Import and export of goods; Import and export agency. (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: Circuit Protection, Circuit Breaker, Terminal Block

Shanghai Tongying Electronic Technology Co., Ltd

Shanghai Tongying Electronic Technology Co., Ltd., with its registered address at Building 104, 1st Floor, Area A, No. 1-30, Lane 88, Minbei Road, Minhang District, Shanghai, is registered with the Minhang District Market Supervision Administration. The legal representative is Yi Chunhua, and its business scope includes licensed projects such as 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. Specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Electronic product sales; Sales of electronic components and electromechanical equipment; Sales of power electronic components; Sales of electrical equipment; Sales of instruments and meters; Furniture sales; Sales of office equipment; Sales of daily necessities; Sales of office supplies; Wholesale of hardware products; Retail of hardware products; Sales of pneumatic power machinery and components; Sales of specialized chemical products (excluding hazardous chemicals); Sales of packaging materials and products; Sales of mechanical equipment; Sales of specialized instruments and meters for environmental monitoring; Sales of electrical and mechanical equipment. (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: Circuit Protection, Macro Micro, Siemens