15 Years OEM & ODM

Electrical Power Transformer Manufacturer

19
items

Qualification certification

8
items

Patent certificates

100
million

Production capacity

Power Transformer Manufacturer
FOR YOUR UNIQUE SOLUTIONS

Our Products

Single Phase IGBT Pure Sine Wave Inverter Voltage Regulator Stabilizer
static regulator
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Single Phase IGBT Pure Sine Wave Inverter Voltage Regulator Stabilizer

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A stable voltage is essential to ensure the proper functioning of various electrical and electronic devices. This Single Phase IGBT Pure Sine Wave Inverter Voltage Regulator Stabilizer is specifically engineered to provide higher precision voltage regulation, fast response, and low harmonic distortion, especially in situations where conventional servo or relay voltage stabilizers fail to perform adequately. With the adoption of IGBT-based inverter regulation technology, this single-phase stabilizer ensures a clean and stable AC output even during harsh conditions associated with intense grid fluctuations, making it an ideal stabilizer for sensitive loads.
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3000W Toroidal Power Transformer 220V 110V 36V 18V 120V 6V 65V 10kva
Best 500va Toroidal Auto Transformer Suppliers For Audio
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Custom Low Voltage Toroidal Transformer for Audio Amplifier 100VA–500VA

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Our custom low voltage toroidal transformer for audio amplifiers is specifically designed to supply stable, low-noise, highly efficient power to high-fidelity audio systems. The power range starts from 100VA to 500VA of this toroidal transformer is widely used in Hi-Fi amplifiers, power amplifiers, pre-amps, DACs, and professional audio equipment. By comparison with conventional EI transformers, the toroidal core structure significantly reduces electromagnetic interference, mechanical hum, and energy loss to secure clean power supplies and superior sound performance. The full customization of voltage, current, winding structure, insulation class, and mounting type shall be supported by ZHENGXI / SUNWAY as a professional transformer manufacturer in China.
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3000W Toroidal Power Transformer 220V 110V 36V 18V 120V 6V 65V 10kva
Best 500va Toroidal Auto Transformer Suppliers For Audio
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High-Efficiency 3000W Toroidal Power Transformer 220V 110V 36V 18V 120V 6V 65V 10kva

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Designed with a low-frequency toroidal power transformer, it provides high-efficiency voltage conversion with minimal noise and thermal loss. This makes it highly reliable for demanding industrial and commercial applications. These transformers provide wide input voltages ranging from 110V to 220V AC, together with a number of secondary output voltages available between 6V and 120V, making it specifically configurable to support many different system requirements.
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SBW 60kva-300kva Outdoor 3 Phase Servo Automatic Voltage Stabilizer Rainproof Type
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SBW Industrial Outdoor 100KVA 3 Phase Servo Automatic Voltage Stabilizer for Mechanical Equipment

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In modern industrial power systems, voltage stability is a fundamental requirement rather than an optional feature. Unstable three-phase voltage can directly lead to equipment shutdowns, control system faults, motor overheating, and long-term damage to mechanical machinery. The SBW Industrial Outdoor 100KVA 3 Phase Servo Automatic Voltage Stabilizer, manufactured by ZHENGXI, is specifically designed to provide precise and reliable voltage regulation for heavy-duty mechanical equipment operating in unstable or fluctuating grid environments. With servo motor control technology and a rugged outdoor structure, this three phase stabilizer ensures continuous, safe, and efficient industrial operation.
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1000kVA Three-Phase High-Power Intelligent Fully Automatic Non-Contact Static Voltage Stabilizer with LCD Display
LCD display showing three-phase voltage and current TRMS values
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1000kVA Three-Phase High-Power Intelligent Fully Automatic Non-Contact Static Voltage Stabilizer with LCD Display

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1000kVA Three Phase Intelligent Fully Automatic Non-Contact Static Voltage Stabilizer by ZHENGXI is designed to counteract such problems in high-load, high-precision, and fluctuating environments. This stabilizer utilizes advanced microprocessor control for static compensation and offers rapid action, super high efficiency, and non-contact regulation. This product will ensure stable power with its efficient performance.
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ZBW 10Kva-4000Kva 3 Phase IGBT Static Automatic Voltage Stabilizer For High-Precision Machines
ZBW three phase IGBT static automatic voltage stabilizer for industrial machines
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ZBW 10Kva-4000Kva 3 Phase IGBT Static Automatic Voltage Stabilizer For High-Precision Machines

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ZBW 10Kva-4000Kva 3 phase igbt static automatic voltage stabilizer for High-Precision Machines Voltage stability in modern industrial setups is no longer a luxury but an imperative requirement for precision, efficiency, and longevity. The ZBW Series 3 Phase IGBT Static Automatic Voltage Stabilizer, with capacities ranging from 10kVA to 4000kVA, manufactured by ZHENGXI, is specifically designed for precise, accurate, and distortion-free voltage regulation for high-precision machines when dealing with unstable power conditions. The ZBW Stabilizer, which uses cutting-edge technology in IGBT Static Control, will provide a stable output voltage even when there are significant fluctuations in the input power, making this a very reliable and efficient device especially for industries with minimal shutdown times.
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SBW Three-Phase High power 150KVA Servo Voltage Stabilizer for Factory Power Control
three phase stabilizer
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SBW Three-Phase High Power 150Kva Servo Automatic Voltage Stabilizer For Factory Power Control

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In industrial environments where voltage fluctuation can damage equipment and interrupt production, a reliable Three-Phase Voltage Stabilizer is essential. The SBW Three-Phase High Power Servo Voltage Stabilizer is designed to provide precise, stable, and continuous voltage regulation for factories, workshops, and heavy-duty industrial systems. With capacities ranging from 30KVA to 800KVA, including the widely used 150KVA model, this three phase servo voltage stabilizer delivers fast response, high efficiency, and strong load capability—making it a trusted Automatic Voltage Stabilizer solution for factory power control.
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20KVA Single-Phase Full Automatic AC Voltage Stabilizer AVR For Refrigerator
Automatic Voltage Stabilizer
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20KVA Single-Phase Full Automatic AC Voltage Stabilizer AVR For Refrigerator

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If your home or business suffers from frequent voltage drops or spikes, your electrical appliances—especially refrigerators—are at risk. The 20KVA Single-Phase Full Automatic AC Voltage Stabilizer is designed to deliver stable, clean voltage to protect refrigerators, freezers, air conditioners, and other sensitive electronics. Built with a servo motor control system, this AVR offers high accuracy, fast correction, and reliable performance—ideal for residential homes, commercial kitchens, supermarkets, and cold storage environments.
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FOR YOUR UNIQUE SOLUTIONS

Our services

We provide customers with comprehensive high-voltage complete equipment solutions, covering design, production, installation and after-sales service. In the process of many years of service, we have successfully helped customers solve many complex power project needs and won wide acclaim and trust.

For individual customers:

  • Customized demand analysis
  • Product selection guidance
  • Installation and commissioning guidance
  • Fault diagnosis and maintenance

For corporate customers:

  • High-voltage complete equipment design
  • Equipment production and testing
  • Corporate energy solution consulting
  • Large-scale project installation and operation maintenance
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dry Transformer factory

Why People Choose Our Company and Not Others?

We strictly control product quality, from the selection of high-quality raw materials to the precise control of production links, and strive to achieve excellent standards for each product. With excellent performance and stability, our equipment can operate reliably in various complex environments, providing you with high-quality power protection.

ABB2
DLX02
ETN02
SND02
XMZ02
ZT02
HUM02

Advanced equipment

Introducing international production and inspection equipment, ABB robots, German laser cutting and CNC equipment.

Professional team

Continuously introducing high-tech processes and technical talents to achieve technological innovation.

Experienced

The company has been focusing on electrical equipment and new energy industries for more than 10 years.

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PRODUCTIVITY REDEFINED

We Are a Team of Highly Professional Specialists

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TESTIMONIALS

Customer Reviews

They have already used our services

Kristin Watson

TRONKI's transformers are of good quality, very stable, and the service is also in place. I recommend it to everyone!

Ronald Richards

The technical support is very professional and solved many problems. The transformer runs very well, no problems at all, thank them for their help!

Wade Warren

I have cooperated with TRONKI for several years. The performance of the vacuum circuit breaker has been very stable, the delivery is also on time, and the service is also very good

Aviana Plummer

The power transformer is of very good quality, meets our needs, the service is also very considerate, and it is a satisfactory cooperation experience!

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