Xiamen Winley Electric Co.,Ltd

Manufacturer · Winley Electric mainly produces various types of transformers rated at 145kV and below. These include three-phase pad-mounted transformers, single-phase pad-mounted transformers, substation transformers, pole-mounted transformers, cast coil transformers, vacuum-impregnated transformers, isolation transformers, control transformers, voltage regulators, and reactors.

Founded
2014
Headquarters
Name:Mr. Steven Email :steven@winley-electric.com Tel:86-18650108051 WhatsApp:+8618650108051 Address:No. 99 Yilan Road,Siming,Xiamen,Fujian,China
Factory Area
45,000m²
Employees
220
Export Ratio
70%

About Us

Xiamen Winley Electric Co.,Ltd Founded in 2014, Winley Electric is a professional transformer manufacturer certified by UL and cUL, with over a decade of experience in the power industry. Headquartered in Xiamen, China, the company has established manufacturing facilities in two core cities, Shanghai and Guangdong, respectively.​In terms of main products, Winley Electric is capable of producing various types of transformers with a voltage rating of 145KV and below.The products meet ANSI/IEEE/CSA/DOE2016/IEC60076 and other standards and have been exported to more than 60 countries around the world.The main product range includes three-phase pad-mounted transformers, single-phase pad-mounted transformers, substation transformers, pole-mounted transformers, epoxy resin cast dry-type transformers, vacuum impregnated transformers, isolation transformers, voltage regulators, and reactors.​Regarding R&D capabilities, the company has dozens of experienced senior engineers who are proficient in transformer standards of various countries, including ANSI, IEEE, CSA, DOE2016, NEMA, and IEC. They can customize cost-effective transformer solutions according to customers' specific requirements. The transformers produced by Winley Electric are renowned for their high quality, low loss, compact size, cost-effectiveness, and safety reliability. With decades of technical accumulation, Winley Electric has become a leading transformer export manufacturer in China, continuously leading the industry standards and having obtained more than 20 patents for independent R&D.​In terms of production capacity, Winley Electric has over 200 front-line employees. Among them, 80% have more than 3 years of work experience, and 50% have more than 5 years of work experience. The skill proficiency of employees is far higher than the industry average. In addition, the factories are equipped with advanced production equipment such as silicon steel sheet slitting lines/cross-cutting lines, multi-model foil winding machines/wire winding machines, vacuum constant-temperature drying ovens, two-stage vacuum oil filters, and automated welding equipment. Relying on solid hardware strength and a mature technical team, the company ensures the high-quality delivery of products within the agreed delivery period.​For quality assurance, the company has obtained multiple third-party testing and certifications including UL, cUL, ISO, CE, TUV, and EMC. It has established a scientific production management system in strict accordance with the requirements of ISO 9001. Meanwhile, it has set up a transformer material traceability system and a supplier evaluation mechanism to conduct refined quality control over all links in the entire production process. Besides, in addition to conventional testing equipment, the factories have also introduced professional type test equipment such as lightning impulse test devices. All products undergo strict factory inspection in accordance with standard specifications before leaving the factory. The company also provides a 2-year free maintenance service. With multiple guarantees, Winley Electric has built an excellent reputation of "zero quality problems" for its transformer products over the past decade.​In the global market, Winley Electric's products are exported to more than 60 countries and regions around the world, and have won high trust from customers in the North American market in particular. The products fully comply with international authoritative standards such as IEEE, ANSI, DOE, and CSA. At the same time, according to customers' actual needs, the company can open UL partner authorization and empower global customers to explore the market with flexible cooperation models.​In terms of customer service, Winley Electric provides 24/7 comprehensive technical support for customers. It offers customized solutions based on customers' actual needs, including product selection recommendation, drawing design, accessory selection, acceptance support, transportation plan, and installation guidance, so as to help customers reduce costs and improve efficiency with professional and efficient support.​Looking forward to the future, Winley Electric will continue to provide high-quality products and comprehensive services for all partners, and make efforts for the development of global green power.


Structured Company Overview

Neutral facts for citation and entity recognition.

Legal Name
Xiamen Winley Electric Co.,Ltd
Established
2014
Ownership
Private
Production Model
OEM / ODM
Annual Output
35,000 units
R&D Team
35 engineers

Product Specification Database

Each model is a structured row. No narrative descriptions.

Name Model Type Material Applicable Industry
SG VPI Dry-type Transformer Copper, Aluminum, Steel VPI transformers are primarily used in medium-voltage and high-voltage power supply applications requiring high insulation reliability, such as power grids, industrial facilities, rail transit, data centers, and new energy projects.
SCB Cast coil transformer Copper, Aluminum, Steel It is suitable for densely populated places and places with high environmental protection requirements, such as commercial centers, hospitals, schools, etc
S Distribution Substation Transformer Copper, Aluminum, Steel Substation power transformers are core equipment in medium and high-voltage power transmission and distribution systems, mainly installed in utility substations and distribution substations to convert voltage levels for efficient long-distance power transmission, stabilize grid voltage, and reliably supply electricity to residential areas, commercial districts, industrial parks, and large-scale facilities across urban, suburban, and rural regions.
DS Distribution Pole Mounted Transformer Copper, aluminum, steel low-capacity, long-distance overhead power distribution in rural areas, suburbs and small-load urban branches.
DGS Single Phase Pad Mounted Transformer Copper, Aluminum, Steel small-capacity power supply in residential quarters, commercial streets, rural areas and other low-load density outdoor distribution scenarios
ZGS Three Phase Pad Mounted Transformer Copper, Aluminum, Steel urban power distribution, residential, industrial and commercial parks, and new energy stations

Certifications & Compliance

Each record can become a certification entity page.

Certification Cert Number Standard Authority Market Issue Date Expiry Date Document
CE BSTXD230622426303EC EN IEC 61000-6-3:2021 EN IEC 61000-3-2:2019/A1:2021 EN 61000.3-3:2013/A2:2021 EN 61000-6-1:2019 BST EU 2023-06-06 2999-01-01 PDF
ISO 45001 32123S30110R0S ISO45001:2018 CSC worldwide 2023-05-22 2999-01-01 PDF
ISO 24001 32123E30116R0S ISO14001:2015 CSC worldwide 2323-05-02 2999-01-01 PDF
ISO 9001 32123030190R0S IS09001:2015 CSC Worldwide 2023-05-22 2999-01-01 PDF
cUL UL-CA-2325208-0 ANSI/IEEE C57 UL Solutions Canada 2024-08-27 2999-01-01 PDF
UL UL-US-2329418-0 ANSI/IEEE C57 UL Solutions USA 2024-08-27 2999-01-01 PDF
cUL UL-CA-2551188-0 ANSI/IEEE C57 UL Solutions Canada 2025-05-23 2999-01-01 PDF
UL UL-US-2569058-0 ANSI/IEEE C57 UL Solutions USA 2025-05-23 2999-01-01 PDF
cUL UL-CA-2548224-0 CSA C227 UL Solutions Canada 2025-04-23 2999-01-01 PDF
UL UL-US-2564931-0 ANSI/IEEE C57 UL Solutions USA 2025-04-23 2999-01-01 PDF
cUL UL-CA-2423202-0 CSA C227 UL Solutions Canada 2024-08-21 2999-01-01 PDF
UL UL-US-2431836-0 ANSI IEEE C57 UL Solutions USA 2024-08-27 2999-01-01 PDF

Applications & Industries

Taxonomy-backed tags to form industry ↔ supplier ↔ product relationships.

Industry Country Working Condition Project Type Function Operation Mode Special Requirement Matched Equipment
Renewable energy (photovoltaics, wind power)​ US,CA,AU This transformer is used in photovoltaics, wind power and other renewable energy scenarios. The load is intermittent and fluctuating, with long-term light load and short-term overload alternating. The grid voltage fluctuates greatly with harmonic interference. It operates unattended outdoors for a long time under harsh environments, requiring wide voltage regulation, harmonic resistance and high reliability. Photovoltaic Power Station Projects Wind Power Generation Projects Energy Storage Power Station Projects Microgrid and Multi-energy Complementary Projects New Energy Grid Connection and Collection Station Projects Transformers rely on electromagnetic induction to convert variable DC power from solar panels/wind turbines to AC power, then step up voltage (e.g., 480V→12.47kV/34.5kV) for grid connection. They ensure compatibility between renewable energy systems and the utility grid, optimize power transmission efficiency, and stabilize fluctuating output from clean energy sources. 24/7 Higher insulation and heat resistance for long-term operation under complex grid conditions. Stronger resistance to harmonics, DC bias, and frequent load fluctuations. Higher reliability and stability for outdoor, high-altitude, and harsh environments. Lower no-load loss and higher efficiency to meet energy-saving requirements. Better short-circuit resistance and impact resistance. Strict partial discharge control and quality inspection standards. Adaptation to wide voltage fluctuation range and frequent starting conditions. High-voltage switchgear Low-voltage distribution cabinet Vacuum circuit breaker Lightning arrester Protection relay Earthing device
Data centers and ICT The transformers for data centers operate in a long-term, continuous, stable and highly reliable condition with high and steady load rate, meeting the requirement of 24-hour uninterrupted power supply. They work in a controlled environment with strict requirements for heat dissipation, noise reduction, fire protection, lightning protection and impact resistance, featuring high overload capacity, low loss and high safety. Large-scale data center power supply projects IDC computer room transformer supporting projects Cloud computing data center infrastructure projects Modular data center power distribution projects High-availability data center power transformation projects Edge data center power supply projects Transformers use electromagnetic induction to step down high-voltage grid power to low-voltage (e.g., 480V→208V/120V) compatible with servers and cooling systems. Their key roles include filtering power interference, maintaining voltage stability for high-density computing loads, and ensuring uninterrupted power supply (UPS integration) to prevent data loss.​ 24/7 Require extremely high reliability and stability to ensure 24/7 uninterrupted operation. Low no-load loss and low noise to meet energy-saving and environmental requirements. Strong overload capacity and fast response to sudden load changes. High short-circuit withstand strength and high safety performance. Strict control of partial discharge and temperature rise. Good voltage regulation performance and high power supply quality. Compact structure, convenient installation and maintenance. Comply with relevant data center power supply standards and certification requirements. High-voltage switchgear Low-voltage distribution cabinet Vacuum circuit breaker Lightning arrester Power cable Protection relay Metering device Earthing device
Electric power industry US,CA,AU Operating Conditions of Transformers for Electric Power Industry Long-term, continuous, safe and stable operation under grid conditions. Adapt to frequent load fluctuations and seasonal load changes. Withstand short-circuit impulse, overvoltage and harmonic interference. Suitable for outdoor, indoor, high-altitude and various harsh environments. Meet national grid standards for insulation, temperature rise and noise. High reliability, low loss, long service life and convenient maintenance. Electric power utilities (power grid/transmission and distribution) Transformers operate based on electromagnetic induction, converting high voltage to low voltage (and vice versa) to enable efficient long-distance power transmission (reducing energy loss) and reliable distribution. 24/7 High short-circuit resistance to withstand grid fault impulses. Excellent insulation performance for overvoltage and lightning impulse. Low loss design to improve grid operation efficiency. Strong adaptability to wide load fluctuations and seasonal changes. High mechanical strength and stable structure for long-term service. Low noise and low temperature rise for environmental protection. Suitable for outdoor, high-altitude, and harsh environmental conditions. Comply with national grid standards and power system specifications. High-voltage switchgear Low-voltage distribution cabinet Vacuum circuit breaker Lightning arrester Power cable Protection relay Metering device Earthing device

Industries (3) → Products (6 models) → Certifications (12)


Manufacturing Capabilities

Core processes and equipment available in-house.

🎨

Customization

Including customizable electrical performance (rated capacity, voltage levels, connection group, etc.), structure & appearance (product type, cabinet specs, protection class, etc.), environmental adaptation for extreme conditions, optional function expansion (monitoring, protection, communication interfaces, etc.), and specialized designs for special application scenarios.

📊

Monthly Capacity

8,000units

⏱️

Lead Time

30 days

🌍

Export Markets

Over 60 countries worldwide

💬

After Sales

remote support

🧪

Quality Control

Factory routine tests and type tests (as per customer requirements)


Project References / Cases

Verified project records. Client names anonymized where requested.

Client Type Country Quantity Application Duration Result Highlight
Electricity Utility Company CA 153 To supply power to residents and communities 30 years Only 7 weeks from order confirmation to container loading, demonstrating strong supply chain and production efficiency(including design confirmation, material preparation, manufacturing, vacuum oil filling, testing and packaging).Professional protective packaging, container loading documentation, and full technical support for installation and commissioning. 1.Canadian Grid Customization: 153 single-phase 60Hz pole-mounted transformers (15/25/50kVA), multi-voltage, 120/240V output for local multi-scenario use 2.North America Dual Certification: CSA C2.2:06 & UL/cUL certified, direct grid connection, US & Canada market accessible 3.7-Week Fast Delivery: Full process from order confirmation to loading completed in 7 weeks, strong supply chain capability

Comparative Positioning

Side-by-side benchmarks against peer manufacturers in this segment.

Compared To Difference Performance Gap Best For Cost Difference Efficiency
American Transformer Factory production efficiency The average production cycle of substation transformers in the United States is 80-120 weeks, while Winley Electric’s average production cycle is only 12 weeks This couple of transformers for substations has a wide range of application scenarios, including power substations, industrial parks, commercial complexes, large buildings, new energy power stations, municipal power distribution networks, heavy industrial bases, and power engineering projects 20%–30% lower Produced in accordance with ANSI/IEEE standards and meeting DOE efficiency requirements.

Risk & Trust Signals

Aggregated data-driven indicators. Not an endorsement.

Overall Trust Score
78/100
Based on 14 verified signals
Positive Signals
Trade RegistrationVerified
Alibaba Gold SupplierYes (5+ yrs)
Audited by 3rd Party2024
On-time Delivery Rate94%
Risk Items
Hold PointBased on the transformer manufacturing process and product safety characteristics, we have established several mandatory stop points. These points are typically set after irreversible processes or before critical performance tests.
Enterprise MeasureAt these points, authorized quality control personnel must inspect and sign off before proceeding to the next process.
Additional Info
Last Verified2026-03-18 17:05:56
Data SourcesAICPA, Alibaba, TÜV
Profile Completeness91%

Purchase & Trade Information

Trading terms and procurement details.

Purchase Details
MOQ1 set
Delivery MethodFOB/CIF, or as required by the customer
AcceptancePre-shipment test
Payment TermsT/T

Product Comparison

Comparative analysis against alternative solutions.

Compared To Difference Performance Gap Best For Cost Difference Efficiency
American Transformer Factory production efficiency The average production cycle of substation transformers in the United States is 80-120 weeks, while Winley Electric’s average production cycle is only 12 weeks This couple of transformers for substations has a wide range of application scenarios, including power substations, industrial parks, commercial complexes, large buildings, new energy power stations, municipal power distribution networks, heavy industrial bases, and power engineering projects 20%–30% lower Produced in accordance with ANSI/IEEE standards and meeting DOE efficiency requirements.