Product Description:
- Strong adaptability: It has high temperature resistance and overload capacity, and can operate stably for a long time in harsh environments such as high temperature and high load rate.
- Exquisite appearance: The product has undergone comprehensive polishing and rust removal treatment, using powder electric spraying technology and equipped with a wide sheet heat sink to ensure that the coating is long-lasting and does not fade.
- Leak free design: The sealing element is made of acrylic material, and one-time molding technology ensures that the product will never leak. The equipment undergoes positive and negative pressure leak testing before leaving the factory, ensuring reliable quality.
- Safety and environmental protection design: The materials and processes fully comply with safety and environmental protection requirements, do not release toxic gases, have low smoke concentration during combustion, are non corrosive, and ensure that the equipment is environmentally friendly.

Product features:
- Low loss design: Adopting a new type of iron core and optimized winding structure design, the no-load loss of traditional transformers is reduced by more than 20%, and the load loss is reduced by more than 10%, significantly improving energy efficiency.
- Low noise operation: Using high-quality silicon steel sheets and optimized magnetic circuit design, the noise level is significantly reduced, meeting the environmental requirements of modern cities and residential areas.
- High reliability: The winding and body are carefully designed to have strong short-circuit resistance. Using high-quality insulation materials and high-temperature resistant transformer oil to ensure safe operation and extended lifespan.
- Environmental protection and energy conservation: The insulation oil adopts pollution-free and recyclable environmentally friendly insulation oil. The product materials are recyclable, with excellent sealing performance, no leakage, and maintenance free.
- Strict quality inspection: Transformers must undergo rigorous testing in accordance with national standards GB6450-1986 and IEC 60076 before leaving the factory, including multiple key items such as partial discharge, lightning impulse, noise, etc., to ensure the high quality and reliability of the product.
Main parameters:
Voltage level: High voltage side 5Kv-35kV, low voltage side 0.2kV-0.69kV
Capacity range: 5kVA~500kVA
Cooling method: Oil immersed self cooling (ONAN)
Execution standards:
GB 1094 Power Transformers
GB/T 6451 Technical Parameters and Requirements for Oil immersed Power Transformers
GB/T 10228 Technical Parameters and Requirements for Power Transformers
IEC 60076 Power Transformers
IEC 60354 Load Guide for Transformers
Our technological advantages:
- Shanghai Zhiyou International's leading R&D technology cloud platform
Integrating electromagnetic optimization design, parametric drawing, performance analysis and structural optimization, automatic drawing, and other functions of transformers to achieve resource sharing in transformer design, as well as searching, modifying, and version control of various data information.
- Simulation analysis
The current field, temperature field, electric field, leakage magnetic field, wave process, and short-circuit force of transformers. The research and design of each series of products are carried out through simulation analysis of flow and temperature fields to determine the average temperature rise of the coil and the hot spot temperature seat, ensuring product performance.
- Smart operation and maintenance platform
By collecting key data such as temperature, current, voltage, vibration, and grid harmonics of transformers, online power quality analysis, fault alarms, and installation on mobile phones can be achieved.
Ordering Notice:
- Please provide detailed parameters of the product.
- Please provide us with as much product related information as possible regarding the product specifications, product drawings, product nameplates, product photos, etc. that you need to order, so that we can provide you with a faster and more accurate quotation.
- Please provide the product specifications, product drawings, product nameplates, product photos, etc. that you need to order, send email to: shanghaizhiyou@gmail.com We will reply as soon as we receive the email.
- You can also quickly contact our sales manager Yang through the following contact information: WeChat:+ 86 13122066665 or WhatsApp:+ 86 189 3091 2328.
We are willing to serve you with our professionalism, sincerity, and integrity.
Reliable Power from a Leading Single Phase Transformer ManufacturerZHIYOU is a professional transformer manufacturer specializing in compact, efficient single phase transformers for residential, industrial, and commercial applications. As a trusted manufacturer of transformers, we are recognized among top electrical transformers manufacturers and power transformers manufacturers in China. Our products are exported globally, making us a preferred name among international transformers suppliers and transformers companies.Our single phase transformer series belongs to a broad portfolio of electric transformers, including dry type transformers, step up transformers, pole mounted transformers, and more.Compact, Efficient, and Flexible InstallationZHIYOU's single-phase pole-mounted transformer units are built with high-efficiency cores and copper windings that minimize loss and maximize performance. These electric power transformers are ideal for decentralized applications, such as rural electrification or localized grid segments. Their compact design makes installation easier in tight or constrained environments.In addition to standard distribution transformers, we also offer dry transformers and oil-immersed transformers based on your project needs.Built to International Standards by Certified ManufacturersAs a leading electrical transformer manufacturer, ZHIYOU delivers products in compliance with ISO and IEC standards. Each single phase transformer is thoroughly tested for voltage regulation, heat tolerance, and overload resistance. Our customers include national utilities, telecom networks, and industrial clients who demand long-lasting transformers electrical solutions.We are proud to be listed alongside Top 10 Transformer Brands and comparable to international leaders like ABB transformers and Siemens transformers, but with more competitive transformer price advantages.Scalable Power Options for Multiple ApplicationsZHIYOU offers flexible power ratings including 500kVA transformer, 800kVA transformer, and 1000kVA transformer, with customized options available for step down transformer or step up transformer configurations. These medium voltage transformers are ideal for small industries, solar systems, and energy storage projects. We also provide matching grounding transformers, isolation transformers, and autotransformers to complete your system.
Product Advantages
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Efficient and Low-Loss Design
Optimized winding and core structure reduces loss, improves voltage stability, and enhances energy savings.
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Flexible Mounting Options
Available in pole mounted transformer and pad-mounted forms for space-limited or outdoor applications.
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Certified by Leading Electrical Transformers Manufacturers
ISO-certified production ensures every transformer meets the highest quality and safety benchmarks.
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Custom Power Solutions
Wide compatibility with step up step down transformer, single phase, and three phase transformer systems across varied voltage levels.
Use ScenariosPole Mounted Single Phase Transformers in Rural ElectrificationIn rural and remote areas, reliable power distribution is critical to support expanding electrical infrastructure. These pole mounted transformers are designed for easy deployment in isolated grid segments, providing steady voltage transformation with minimal energy loss. Their robust construction handles fluctuating loads from agricultural machinery or residential power needs, maintaining safety and performance. The oil-immersed cooling and leak-proof design promote longevity even under challenging weather conditions, integrating efficiently with local distribution networks and automated control systems to optimize power delivery.Electric Furnace Transformer Applications in Industrial HeatingIndustrial processes utilizing electric furnaces require transformers capable of handling high temperature and overload conditions without performance degradation. The electric furnace transformer delivers stable power conversion designed for continuous heavy-duty operations. Its high thermal resistance and enhanced insulation ensure reliable service in metallurgy, foundries, and manufacturing plants. This transformer type conforms to national and international standards, supporting system protection apparels and integrating seamlessly with power management frameworks to improve energy efficiency and process stability.
About Us
Shanghai Zhiyou Electric Manufacturing Co., Ltd. is a leading manufacturer of power transformers, reactors, resistors, and complete electrical equipment, serving a diverse range of industries worldwide.
Core Manufacturing Capabilities and Quality Assurance
- Product Range: We specialize in power transformers, reactors, resistors, and related electrical equipment.
- Certifications: Our company has obtained ISO 9001 international quality management system certification and ISO 14001 international environmental management system certification.
- Quality Control: All products undergo testing and certification by authoritative institutions, ensuring compliance with or exceeding national and international standards.
Production Strength
Global Reach: Our products are exported to 86 countries and regions, including North America, South America, Europe, Southeast Asia, the Middle East, and Africa.
Sustainability Initiatives
Environmental Commitment: We adhere to ISO 14001 environmental management standards, reflecting our dedication to sustainable manufacturing practices.
Customer Collaboration Process
- Inquiry: Clients reach out with specific requirements or questions.
- Consultation: Our team provides detailed information, technical support, and guidance.
- Quotation: A comprehensive proposal is presented, tailored to the client's needs.
- Customization: Products are designed or adjusted according to client specifications.
- Manufacturing: Production is carried out with strict quality control measures.
- Delivery: Timely shipping arrangements are made, ensuring safe and prompt arrival.
- After-Sales Support: Continuous assistance is available to address any post-delivery concerns.
Global Service Capability
Based in Shanghai, China's economic hub, we leverage our strategic location to offer efficient and reliable services to clients worldwide. Our international certifications and extensive export experience underscore our commitment to global standards and customer satisfaction.
Partner with Shanghai Zhiyou Electric Manufacturing Co., Ltd. to experience excellence in electrical solutions tailored to your needs.

FAQ
Who are we?
We are Shanghai Zhiyou Electric Manufacturing Co., Ltd., a factory established in 2007, specializing in the production of power transformers, reactors, resistors, and complete electrical equipment. Our factory is located in Shanghai, China.
How can we guarantee quality?
We have obtained ISO 9001 international quality management system certification and ISO 14001 international environmental management system certification. All products undergo testing and certification by authoritative institutions, ensuring compliance with or exceeding national and international standards.
What can you buy from us?
Our product range includes:
- Power transformers
- Reactors
- Complete electrical equipment
- shanghai-electric.com
Why should you buy from us and not from other suppliers?
With over 18 years of manufacturing and R&D experience, we offer high-quality products at competitive prices. Our products have been exported to 86 countries and regions, and we have established a reputation for reliability and excellence.
What services can we provide?
We offer comprehensive services, including:
- Product customization
- Goodreads
- OEM and ODM services
- Technical support
- After-sales service
Looking for a reliable single phase transformer from a trusted manufacturer? Contact ZHIYOU today for expert support, fast quoting, and high-efficiency transformer solutions tailored to your application.