Henan Longjian Electric Power Equipment Co., Ltd. is a professional manufacturer and general contractor specializing in power distribution solutions and electrical infrastructure. Established with roots dating back to 1982, the company operates two manufacturing facilities covering 67,000 square meters in Luoyang, China. The company maintains a workforce of 101 to 200 employees and achieves an annual output value between US$50 million and US$100 million.
As an integrated provider, Henan Longjian offers a comprehensive product portfolio that includes oil-immersed power transformers, cast resin dry-type transformers, rectifier transformers, and box-type transformer substations. Their technical capabilities extend to high and low voltage switchgear cabinets, circuit breakers (including SF6 and vacuum types), power cables, and EV charging stations ranging from 60kW to 240kW. Beyond equipment manufacturing, the company serves as a general contractor for full-set electrical installation projects.
The company provides extensive OEM and ODM services, supporting its proprietary "LongJian" brand alongside customized-on-demand solutions for wholesalers, engineers, and industrial clients. Quality and safety standards are central to their operations, evidenced by certifications including ISO 9001, ISO 14001, OHSAS 18001, CE, BSCI, and CCC. While maintaining a strong domestic presence, Henan Longjian exports its products to international markets across Africa, South America, Southeast Asia, and the Middle East.
OEM manufacturerOffers OEM services for customized brand manufacturing.
ODM manufacturerProvides ODM design and manufacturing solutions.
Product customizationOffers full customization for design and features.
Low MOQOffers low minimum order quantity options.
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Longjian Outdoor 90/100/120 KW DC EV Charger Business Charging Station with IP54 Protection and Floor-standing Installation
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60kw 200kw 180kw 120kw 150kw 100kw Commercial Dc Fast Ev Charger 240kw Charging Station Ev Charging Station Car Charging Pile
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Customized Manufacturer Electric Power Panel Distribution Electrical Panel Board
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800kva/100kva/500kva/1000kva Oil Immersed Power Transformer 33/0.4 Kv Distribution Transformer 400v Output Voltage 10kv/35kv/6kv
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Certifications
ISO 9001
2
International Organization for Standardization 9001
ISO 14001
2
International Organization for Standardization 14001
CE
1
Conformité Européenne
BSCI
1
Business Social Compliance Initiative
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Key export market
🇺🇿 Uzbekistan🇺🇿 Uzbekistan
🇬🇭 Ghana🇬🇭 Ghana
🇹🇿 Tanzania🇹🇿 Tanzania
🇮🇩 Indonesia🇮🇩 Indonesia
🇲🇿 Mozambique🇲🇿 Mozambique
🇻🇳 Vietnam🇻🇳 Vietnam
AfricaAfrica
South AmericaSouth America
AsiaAsia
EuropeEurope
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Jinguan Electric Co., Ltd.
🇨🇳 China
2005301-500 peopleManufacturer/Trading Company
Established brand
Own brand
High-tech enterprise
Low MOQ
Shipments
49
Key customer
FAIZAN STEEL
Key market
North America
Description
Jinguan Electric Co., Ltd. is a leading Chinese manufacturer of power transmission, distribution, and control equipment, headquartered in Nanyang, Henan. Established in 2005 and listed on the Shanghai Stock Exchange (STAR Market), the company has a history in R&D dating back to 1979. With a workforce of over 450 employees and a 60,000-square-meter production base, the company operates as a national high-tech enterprise specializing in four core areas: resistor discs, lightning arresters, distribution network equipment, and new energy solutions.
Their extensive product portfolio includes metal oxide surge arresters (porcelain, polymeric, and GIS tank types) covering voltage levels from 0.22kV to 1000kV, as well as metal oxide varistors and resistor discs. For distribution networks, they manufacture high and low voltage switchgear, ring main units, pole-mounted circuit breakers, and box-type substations. Their new energy division provides AC/DC charging piles and integrated energy storage systems.
Jinguan Electric is recognized for its technical leadership, holding over 200 patents and participating in the development of more than 20 national industry standards. The company maintains rigorous quality standards with ISO 9001, ISO 14001, and OHSAS 18001 certifications, and its products have passed KEMA and IRIS testing. As a key supplier to major entities like the State Grid Corporation of China and China Southern Power Grid, their equipment is utilized in landmark projects such as the Three Gorges and Baihetan Hydroelectric Stations. The company offers OEM and ODM services and has exported its products to international markets for over 30 years.
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Iris Certificate Polymeric Surge Arrester 42kv for Electric Railway Surge Arrester Lightning Arrestor
Nanyang Jinguan Electric Co., Ltd. is a leading Chinese manufacturer, distributor, trading company, and wholesaler of electrical equipment, specializing in power transmission and distribution solutions. Established in 1979 with manufacturing commencing in 1983, the company operates as a national high-tech enterprise with 6 major R&D and manufacturing bases and 4 R&D centers. With over 501 to 1000 employees, including more than 70 R&D personnel, Nanyang Jinguan Electric focuses on deep specialization to build core competitiveness. They are recognized as a core enterprise of Jinguan Group Co. and one of China's 520 key enterprises. The company's comprehensive product portfolio includes Surge Arresters (Metal Oxide Varistors, Lightning Arresters, Arrester Blocks), Distribution Equipment (High Voltage Switchgear, Transformers, Box Type Substations, Ring Network Cabinets, Current Transformers, Voltage Transformers), and New Energy Equipment (Energy Storage Equipment, Charging Piles). Their products cover a wide range of voltage levels, from AC 0.22-1000kV and DC 0.75kV-±1100kV. Nanyang Jinguan Electric holds ISO 9001 and ISO 14001 certifications, along with product-specific certifications such as KEMA laboratory's type test for 3-36kV surge arresters, and adherence to GB11032-2000 and IEC60099-4 standards. They serve major clients including State Grid Corporation of China and China Southern Power Grid Company Limited, and export to international markets including North America, South America, and Eastern Europe.