OEM & ODM POWER EQUIPMENT MANUFACTURER
TRUSTED BY GLOBAL CUSTOMERS
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80+
Countries Served
50,000+
Units Annual Capacity
10,000+
Customers Worldwide
20+
Years of Experience
OUR PRODUCT CATEGORIES
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Isolation Transformers
Reliable dry type isolation transformers designed for electrical isolation, voltage conversion, noise reduction and safe power distribution in industrial applications.
Voltage Stabilizers
High-precision automatic voltage stabilizers provide stable voltage output and protect sensitive equipment from voltage fluctuations and power quality issues.
Variable Frequency Drives
Advanced VFD solutions enable precise motor speed control, energy saving and efficient automation for industrial equipment and production systems.
OUR ALL PRODUCT
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WHY CHOOSE VOLTNEX POWER
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20+ Years
Experience
Providing reliable professional power quality solutions worldwide since 2003.
OEM & ODM
Services
Custom design and manufacturing to meet your specific project requirements.
Fast Delivery
Efficient automated production line and seamless global logistics network.
Factory Direct
Highly competitive factory pricing backed by strict quality control.
Global
Certifications
Full compliance with CE, ISO, RoHS and major international standards.
Technical
Support
Experienced expert engineering team dedicated to helping your needs.
INDUSTRY APPLICATIONS
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Reliable power solutions for a wide range of industries and critical applications.
Industrial Automation
Reliable Power for Automation Systems
High-stability 3-phase power solutions designed to protect heavy-duty industrial robots, PLC systems, and automated production lines.
Solutions:
› Isolation Transformer
› Automatic Voltage Stabilizer
› Industrial VFD System
Medical Equipment
Clean & Stable Power Supply
Zero-leakage, medical-grade power conditioning protecting sensitive diagnostic machines, MRI units, and regulated hospital equipment.
Solutions:
› Medical Isolation Transformer
› Low-Leakage Dry Transformer
› Precision Voltage Stabilizer
CNC Machinery
Precision Power for CNC Machines
Advanced harmonic filtering and voltage regulation designed to optimize high-precision manufacturing tools and CNC milling centers.
Solutions:
› 3-Phase Isolation Transformer
› High-Frequency VFDs
› Automatic Voltage Stabilizer
Renewable Energy
Efficient Power Conversion Solutions
High-efficiency electrical conversion solutions tailored for solar photovoltaic (PV) setups, wind farms, and hybrid green energy grids.
Solutions:
› Dry Type Step-Up Transformer
› Active Harmonic Filter (AHF)
› Solar Isolation Transformer
Laboratory
Stable Power for Research Equipment
Ultra-clean, noise-filtered isolated electrical power supplies specifically optimized for sensitive scientific instruments and testing labs.
Solutions:
› Laboratory Isolation Transformer
› Static Voltage Stabilizer
› Ultra-Low Noise Transformer
Marine
Reliable Marine Electrical Solutions
Corrosion-resistant, heavy-duty electrical setups engineered to guarantee safe, steady power for ships, docks, and offshore marine operations.
Solutions:
› Marine Dry Type Transformer
› Offshore Isolation Transformer
› Shore-to-Ship Power System
Data Centers
Secure Power Protection Systems
Uninterrupted, high-integrity power conditioning designed to optimize power quality and prevent downtime for enterprise servers and IT racks.
Solutions:
› Data Center Isolation Transformer
› Active Harmonic Filter (AHF)
› Static Var Generator (SVG)
Telecom Systems
Continuous Power Reliability
Reliable voltage regulation and power stabilization engineered to maintain uninterrupted network coverage for remote base stations and telecom towers.
Solutions:
› Telecom Voltage Stabilizer
› AC Power Filter (AHF)
› Communication Isolation Unit
OUR FACTORY & MANUFACTUIONS
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Voltnex Power is a professional electrical equipment manufacturer in China, specializing in isolation transformers, dry type transformers, automatic voltage stabilizers, voltage regulators, VFDs and soft starters.
As a source factory, we support OEM, ODM and customized solutions, delivering over 10,000 units annually to global customers. Our products cover 1KVA–5000KVA capacity, 220V/380V/400V/415V voltage systems, single and three phase designs, with CE, UL and international standards compliance.
Isolation Transformer Production Line
Dry Type Transformer Manufacturing
Automatic Voltage Stabilizer Assembly
Industrial Voltage Stabilizer Factory
Voltage Regulator Testing & Assembly
Transformers for Global Shipment
After-Sales Support
At Voltnex Power, we provide professional after-sales service and comprehensive technical support for global customers. With our reliable 3-year warranty, our engineering team ensures seamless operation, fast response, and long-term performance for isolation transformers, voltage stabilizers, and industrial power equipment.
Service 01
Engineering Assistance
Our expert engineers offer professional technical guidance, on-site or remote installation support, and advanced system troubleshooting for all industrial power equipment.
Service 02
Remote Online Support
We deliver fast, real-time online assistance via email and video calls to promptly resolve operational queries, configuration challenges, and global maintenance needs.
Service 03
Warranty & Maintenance
All power solutions feature a reliable 3-year warranty, backed by professional technical analysis, swift spare parts delivery, and effective performance solutions.
Service 04
Technical Documentation
We supply comprehensive user manuals, detailed wiring diagrams, and strict technical specifications to guarantee safe, efficient equipment operation and long-term maintenance.
Frequently Asked Questions (FAQs)
1. Are you a manufacturer or trading company?
Voltnex Power is a professional electrical equipment manufacturer based in China. We specialize in isolation transformers, dry type transformers, automatic voltage stabilizers, voltage regulators, VFDs, soft starters and power quality solutions. We provide factory-direct supply with OEM and ODM services for global customers.
2. What products do you manufacture?
We manufacture a wide range of electrical power equipment, including isolation transformers, dry type transformers, automatic voltage stabilizers, voltage regulators, variable frequency drives (VFDs), soft starters and customized power protection solutions for industrial applications.
3. Can you provide customized products according to our requirements?
Yes. We support OEM and ODM customization based on customer requirements, including voltage ratings, capacity ranges, phase configurations, frequency, enclosure design, protection levels, dimensions and other technical specifications.
4. What capacity and voltage ranges do your products support?
Our products cover a wide range of specifications, including 1KVA to 5000KVA capacity solutions, single phase and three phase designs, 220V, 380V, 400V and 415V voltage systems, and 50Hz/60Hz frequency applications. Customized specifications are also available.
5. Do your products meet international standards and certifications?
Yes. Our products are designed and manufactured according to international standards and can be supplied with certifications and compliance requirements such as CE, UL and other applicable standards depending on the product model and market requirements.
6. What is the typical lead time for production?
The production time depends on product type, specifications and order quantity. Standard models can usually be delivered faster, while customized equipment requires additional manufacturing time. We always confirm the delivery schedule before order confirmation.
7. What warranty do you provide?
Voltnex Power provides a 3-year warranty for our products. During the warranty period, we offer technical support, troubleshooting assistance and solutions for product performance issues to ensure reliable operation.
8. Do you provide technical support after delivery?
Yes. Our engineering team provides technical support, installation guidance, wiring assistance, operation instructions and remote troubleshooting services for customers worldwide.
9. Can you supply products for large industrial projects or wholesale orders?
Yes. As a source factory, we support bulk orders, project supply and distributor cooperation. With advanced production facilities, we deliver thousands of electrical equipment units annually to customers across global markets.
10. How can I request a quotation for your products?
Please send us your required product type, power capacity, input/output voltage, frequency, phase configuration and application details. Our engineering team will provide a suitable technical solution and competitive factory quotation.