Henan Mingyu Electric Co., Ltd.

A technology-based enterprise integrating transformer, intelligent power equipment R&D, manufacturing, and services.

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Dry-type transformer Oil-immersed transformer Box-type substation High- and low-voltage complete sets Charging Pile

SCB10 and SCB11 Epoxy-Resin Cast Dry-Type Transformers

The SC10, SCB10 series, and SCB11 epoxy-resin cast dry-type transformers are difficult to ignite, fire-resistant, explosion-proof, maintenance-free, pollution-free, and compact in size—allowing them to be installed directly at the load center. Moreover, their scientifically sound design and advanced casting process minimize partial discharge levels, ensure low noise, and provide excellent heat dissipation. Under forced-air cooling conditions, these transformers can operate continuously at 140% of their rated load. They are equipped with an intelligent temperature controller that features fault alarms, overtemperature alarms, overtemperature trip functions, and black-out protection. Additionally, they can be connected to a computer via an RS485 serial interface for centralized monitoring and control.

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SCB10 and SCB11 Epoxy-Resin Cast Dry-Type Transformers

The SC10, SCB10 series, and SCB11 epoxy-resin cast dry-type transformers are difficult to ignite, fire-resistant, explosion-proof, maintenance-free, pollution-free, and compact in size—allowing them to be installed directly at the load center. Moreover, their scientifically sound design and advanced casting process ensure lower partial discharge levels and reduced noise, while also providing excellent heat dissipation. Under forced-air cooling conditions, these transformers can operate continuously at 140% of their rated load. They are equipped with an intelligent temperature controller that features fault alarms, over-temperature alarms, over-temperature trip functions, and black-out protection. Additionally, they can be connected to a computer via an RS485 serial interface for centralized monitoring and control.

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SCB10 and SCB11 Epoxy-Resin Cast Dry-Type Transformers

The SC10, SCB10 series, and SCB11 epoxy-resin cast dry-type transformers are difficult to ignite, fire-resistant, explosion-proof, maintenance-free, pollution-free, and compact in size. They can be directly installed at the load center. Meanwhile, their scientifically sound design and advanced casting process ensure lower partial discharge levels, low noise, and excellent heat dissipation performance. Under forced air-cooling conditions, these transformers can operate continuously at 140% of their rated load. Equipped with an intelligent temperature controller, they feature fault alarms, over-temperature alarms, over-temperature trip functions, and black-out protection. Additionally, they can be connected to a computer via an RS485 serial interface for centralized monitoring and control.

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SCB10 and SCB11 Epoxy-Resin Cast Dry-Type Transformers

The SC10, SCB10 series, and SCB11 epoxy-resin cast dry-type transformers are difficult to ignite, fire-resistant, explosion-proof, maintenance-free, pollution-free, and compact in size—allowing them to be installed directly at the load center. Moreover, their scientifically sound design and advanced casting process minimize partial discharge levels, ensure low noise, and provide excellent heat dissipation. Under forced-air cooling conditions, these transformers can operate continuously at 140% of their rated load. They are equipped with an intelligent temperature controller that features fault alarms, over-temperature alarms, over-temperature trip functions, and black-out protection. Additionally, they can be connected to a computer via an RS485 serial interface for centralized monitoring and control.

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S11/13 Oil-Immersed Distribution Transformer

Compared with conventional oil-immersed transformers, the S11/S13 oil-immersed distribution transformers eliminate the oil conservator and instead use corrugated tank fins as cooling and heat-dissipation components in place of oil pipes. The corrugated tank is manufactured from high-quality cold-rolled thin steel sheets on a specialized production line. The corrugated fins expand and contract in response to changes in the volume of transformer oil, thereby isolating the transformer from the atmosphere and effectively preventing and slowing down oil degradation and insulation moisture absorption, thus enhancing operational reliability and ensuring maintenance-free operation under normal conditions. After undergoing degreasing, derusting, and phosphating treatments, the surface of the corrugated tank is coated with a three-proof (rainproof, moisture-proof, and smoke-proof) paint, making it suitable for use in harsh industrial environments such as metallurgy and petrochemical plants.

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YB-12/0.4 Prefabricated Substation

The YB-12/0.4 series prefabricated substations integrate high-voltage switchgear, transformers, low-voltage switchgear, and other equipment into a compact, complete distribution unit. They are designed for use in urban high-rise buildings, urban and rural construction sites, residential communities, high-tech development zones, small and medium-sized factories, mines and oilfields, as well as temporary construction power supply locations—serving solely to receive and distribute electrical energy within power distribution systems.

DFW European-style cable tap box

The DFW series high-voltage cable tap boxes are widely used for node connections in 35kV, 25kV, and 10kV cable systems. They are the primary electrical equipment used to collect and distribute power after it exits the switchgear. The cable connectors in the tap boxes feature high-grade insulation made of imported rubber that provides a tight, encapsulated insulation, leaving no exposed live parts. In switch-equipped tap boxes, all switches are SF6-insulated load break switches.

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MNS Low-Voltage Withdrawable Switchgear

This series of low-voltage withdrawable switchgear is a modular cabinet type assembled in the factory using standardized components (FBA). It is suitable for use in power plants, substations, petrochemical facilities, metallurgical and steel mills, transportation and energy sectors, light industry and textile enterprises, as well as residential communities and high-rise buildings. It serves as distribution equipment for power systems operating at 50–60 Hz with rated working voltages of 660 V or lower, used for electrical energy conversion, distribution, and control.

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GCS Low-Voltage Withdrawable Switchgear

The GCS-type low-voltage withdrawable switchgear (hereinafter referred to as the “device”) is a low-voltage withdrawable switchgear designed and developed by a joint design team from two ministries, in response to the requirements of industry authorities, a wide range of power users, and design institutes. It conforms to China’s national conditions, boasts high technical performance indicators, can meet the needs of the evolving power market, and is competitive with currently imported products. This device has now been widely adopted by power users.

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GGD AC Low-Voltage Distribution Cabinet

The GGD-type AC low-voltage switchgear is suitable for power distribution systems in power plants, substations, industrial and mining enterprises, and other power users. It operates at 50 Hz AC, with a rated operating voltage of 380 V and a rated operating current up to 3150 A, and is used for the electrical conversion, distribution, and control of power, lighting, and distribution equipment.

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MY-120/160kW-DC-02 Electric Vehicle DC Charging Pile

The integrated DC charging station employs fast-charging technology and is compatible with various types of batteries. It delivers a power output ranging from 120 to 160 kW, featuring a segmented constant-power design and offering a wide range of adjustable output voltage and current settings. This significantly boosts charging speed. The power modules utilize high-frequency switching power supply units operating in parallel, with each module independently controlled, ensuring high reliability and ease of maintenance.

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MY-7kW AC Single-Pole Charging Station (Operational Version)

Electrostatic powder coating, with a robust enclosure that is pressure-resistant and impact-resistant, supports charging via card swiping or QR code scanning. The touch screen provides convenient operation for users, making it an excellent choice for both indoor and outdoor parking lots and shopping malls when setting up and operating charging stations. The charging gun features an ergonomically designed, waterproof IP54 rating, suitable for both indoor and outdoor installation.

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MY-40kW-DC-1 Smart DC Charging Station (Dual-Use for Home and Commercial Applications)

Scan the code to pay, tap your card to start Plug-and-play charging, waterproof and dustproof Easy installation, compact footprint Suitable for various parking environments

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Henan Mingyu Electric Co., Ltd.

Henan Mingyu Electric Co., Ltd. was established in 2022 and is located in the Development Zone of Xiping County, Henan Province. It is a technology-based enterprise integrating the R&D, manufacturing, and service of transformers and intelligent power equipment.

The company boasts a modern production base, including a newly built standardized plant covering 50,000 square meters along with supporting ancillary facilities, and has established a fully integrated, intelligent manufacturing system. Its product portfolio encompasses power transformers, smart voltage- and capacity-regulating transformers, high-efficiency and energy-saving transformers, packaged substations, complete sets of high- and low-voltage equipment, charging stations, and energy storage products.

2022 year

The company was founded in 2022.

50000 ㎡

50,000-square-meter standardized factory building

10689 ten thousand

Registered capital: 106.89 million yuan

Intellectual property

30 +

The products are sold to more than 30 provinces and cities across the country.

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Enterprise Advantages

Quality advantage

From the careful selection of raw materials to the meticulous craftsmanship, we have established a comprehensive quality-control system that involves all staff and covers every stage of the production process. All equipment leaving our factory undergoes rigorous simulation tests under extreme environmental conditions as well as aging tests, ensuring stable operation even in complex and challenging working environments, thereby minimizing failure rates to the greatest extent possible and providing a solid foundation for the safety of your power grid and electrical systems.

Product Advantage

We are committed to driving the transformation of power equipment toward intelligence, digitalization, and green practices, providing innovative solutions for building a new power system and achieving the “dual carbon” goals. We also offer flexible, customized solutions tailored to your specific scenarios and unique needs.

Technical Advantage

We are committed to driving technological transformation in the industry. Through continuous, intensive R&D investment, we constantly optimize equipment performance, help customers reduce operational losses, enhance overall system energy efficiency, and empower the smart and digital transformation and upgrading of power grids.

Service Advantage

Our services begin with pre-sales and continue throughout the entire lifecycle of the equipment. We have a rapidly responsive team that provides end-to-end services—from solution consulting and installation & commissioning to operation & maintenance diagnostics and technical training. We’ve established a comprehensive, round-the-clock support and spare-parts supply network...

Blog

2025.11.10

What are the characteristics and advantages of oil-immersed transformers? Why choose an oil-immersed transformer?

Oil-immersed transformers are conventional power conversion devices that rely on insulating oil for both heat dissipation and insulation. Their core feature is “using oil as the medium.” Their key advantages include suitability for large-capacity applications, low cost, and high stability. The primary reason for choosing them lies in their practical value in outdoor and heavy-industrial environments.

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2024.11.07

Where are dry-type transformers primarily used?

A dry-type transformer is an “electricity-hungry converter” that doesn't rely on oil for cooling but instead uses air or fans to dissipate heat. Its core function is to step down high-voltage electricity to lower voltages—for example, converting 10kV grid power into 380V industrial power or 220V household power. It has neither an oil tank nor insulating oil, making it both safe and environmentally friendly.

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2025.11.10

How to choose a cost-effective box-type substation?

Properly determine the capacity and specifications: Based on the actual electricity load conditions, accurately calculate the required transformer capacity. As a general guideline, it is recommended to leave a margin of 10% to 15% above the peak actual load to avoid blindly selecting an excessively large capacity, which could lead to increased costs and higher no-load losses. At the same time, determine the appropriate voltage level according to project requirements.

View details +

What are the characteristics and advantages of oil-immersed transformers? Why choose an oil-immersed transformer?

2025.11.10

Where are dry-type transformers primarily used?

2024.11.07

How to choose a cost-effective box-type substation?

2025.11.10

Industry News

What is the production process for transformers, and what are the key points to pay attention to?

2025.11.11

Under the “Dual Carbon” wave, Baorunda empowers Mingyu Electric to set a new benchmark for the green electrical industry.

2025.11.10

What are the application scenarios for high- and low-voltage complete switchgear?

2025.11.11

What are the development trends in high- and low-voltage complete switchgear?

2025.11.11

The core functions of high- and low-voltage switchgear assemblies

2025.11.11

What are the differences between dry-type transformers and oil-immersed transformers, and in which applications is each type more suitable?

2025.10.17

What is the production process for transformers, and what are the key points to pay attention to?

2025.10.17

Under the “Dual Carbon” wave, Baorunda empowers Mingyu Electric to set a new benchmark for the green electrical industry.

2025.11.11

Henan Mingyu Electric Co., Ltd.

Dedicated to building a power equipment manufacturing service provider with global competitiveness.

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Contact Information

Phone:+86-400-9959-589

E-mail:2337119427@qq.com

Address: East side of the southern section of Yigang Road, Industrial Cluster Zone, Xiping County

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