Hengyang Xinxin Electrical Special Transformer Co., Ltd.
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Hengyang Nanfang Instrument Transformer Co., Ltd
🇨🇳 China
1985301-500 peopleManufacturerEstablished brand
OEM manufacturer
ODM manufacturer
Own brand
Key market
North America
Description
Hengyang Nanfang Instrument Transformer Co., Ltd. is a prominent manufacturer and designated key enterprise specializing in high-voltage power transmission equipment. Established in 1985 and based in the Baishazhou Industrial Park of Hengyang, China, the company operates a massive 46,000-square-meter facility. With over 30 years of research and development expertise, the organization maintains a workforce of 300 to 500 employees, including a significant team of over 100 specialized technicians and R&D staff. The company is ISO 9001 and ISO 13485 certified, emphasizing a commitment to quality management and technical innovation that has resulted in nine granted patents and multiple award-winning products.
The company's extensive product portfolio focuses on instrument transformers ranging from 10kV to 550kV. Key offerings include oil-filled, SF6 gas-insulated, and epoxy resin casting current and voltage transformers, as well as capacitor voltage transformers (CVT) and potential transformers (PT). Beyond transformers, they manufacture high-voltage switches, electrical porcelain insulators, surge arrestors, and circuit breakers. Their manufacturing infrastructure features 10 production lines and advanced testing equipment, such as a 1500kV cascaded test transformer and a 3600kV impulse voltage generator, enabling an annual production capacity of 50,000 units.
As a versatile B2B partner, Hengyang Nanfang Instrument Transformer Co., Ltd. provides comprehensive OEM and ODM services to meet specific client requirements. The company has a strong international presence, exporting high-quality electrical components to over 30 countries and regions across Asia, Africa, Europe, and the Americas.
33kv-40.5kv Oil-Filled Inductive Voltage Transformer
33kv-145kv Oil-Filled Inverted Current Transformer
150~550kv Sf6 Gas-Insulated Current Transformer
60kv-145kv Oil-Filled Erected Current Transformer
132kv-252kv Sf6 Gas-Insulated Inductive Voltage Transformer
150kv-550kv Oil-Filled Inverted Current Transformer
10~40.5kv Oil-Filled Erected Current Transformer
33~126kv Sf6 Gas-Insulated Inductive Voltage Transformer
Hunan Hongye Transformer Co., Ltd
🇨🇳 China
198811-50 peopleManufacturerEstablished brand
Own brand
Patented technology
High-tech enterprise
Shipments
6
Key customer
SL DEVELOPMENT
Key market
Asia
Description
Hunan Hongye Transformer Co., Ltd. is a manufacturer of specialized transformers, established in June 1988 (formerly Hengyang Special Transformer Factory) and located in Hengyang, China. The company specializes in the production of furnace transformers, rectifier transformers, and power transformers, offering OEM and ODM services. Their product range includes Furnace Transformers (for silicon manganese, silicon iron, ferrochrome, nickel-iron, electric arc furnaces), Calcium Carbide Transformers, Rectifier Transformers, Power Transformers, Pad-mounted Transformers, and other special transformers. They produce units with voltage levels from 10KV to 110KV and a maximum single unit capacity of up to 120,000kVA. Hunan Hongye Transformer Co., Ltd. holds ISO 9001, ISO 14001, and CQC certifications, emphasizing scientific and technological innovation, energy conservation, and environmental protection. The company has been recognized as a "high-tech enterprise" and holds over ten national patents. Their products are sold across China and exported to Southeast Asia, Africa, and Latin America, known for low temperature rise, low noise, strong overload capacity, and superior performance compared to industry standards.
Ladle Refining Furnace Transformer
Combined Transformer Substaion / Box Type Transformer / Substation Transformer
Induction Furnace Transformer /Three Phase Induction Furnace Transformer
Power Transformer/ Distribution Transformer / Oil Immeresed Transformer
Integrated Rectifier Transformer / Furnace Transformer /Special Transformer
Single Phase Furnace Transformer
Medium Frequency Induction Furnace Rectifier Transformer
Earthing Transformer / Grounding Transformer
