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Precision Power Solutions

Trusted manufacturer of high-efficiency transformers, voltage stabilizers, and uninterruptible power supplies from Shenzhen, China. Over 20 years of engineering excellence, serving 60+ countries worldwide.

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About SKZ Transformer

Shenzhen Shenkangzheng S&T Co., Ltd ("SKZ") is a leading low-frequency (50Hz/60Hz), low-voltage (below 660V) transformer and voltage stabilizer manufacturer based in Guangdong, China. With over 20 years of experience, we specialize in designing and manufacturing high-quality toroidal transformers, single-phase and three-phase transformers, voltage stabilizers, and UPS power supplies.

Our 2,000-square-meter factory is equipped with international-standard production and testing equipment. All SKZ products are built using premium materials and are certified with CE, FCC, EMC, RoHS, and LVD standards, ensuring safety, reliability, and global compliance.

20+
Years Experience
60+
Countries Served
SKZ Factory in Shenzhen, China

Our Core Products

High-performance transformers and stabilizers engineered for industrial, commercial, and residential applications.

SBW Three Phase Servo Voltage Stabilizer

SBW Three Phase Servo Voltage Stabilizer

High-capacity stabilizer for industrial applications with automatic voltage correction and overload protection.

  • Capacity: Up to 600KVA
  • Input Voltage: 380V ±20%
  • Output Accuracy: ±1%
  • Certifications: CE, RoHS, FCC
Three Phase Static Voltage Stabilizer

Three Phase Static Voltage Stabilizer

Solid-state design with no moving parts for silent, maintenance-free operation in sensitive environments.

  • Capacity: 10KVA to 500KVA
  • Response Time: < 10ms
  • Efficiency: >98%
  • Cooling: Air-cooled
Single Phase Servo Voltage Stabilizer

Single Phase Servo Voltage Stabilizer

Ideal for homes, offices, and small workshops requiring stable 220V output under fluctuating input.

  • Range: 500VA – 30KVA
  • Input: 160V – 250V
  • Output: 220V ±1%
  • Protection: Overload, short-circuit
Oil Cooled Voltage Stabilizer

Oil Cooled Voltage Stabilizer

Designed for high-heat environments and heavy-duty industrial use with superior thermal management.

  • Cooling: Oil-immersed
  • Capacity: 50KVA – 1000KVA
  • Insulation: Class F
  • Applications: Factories, data centers
Toroidal Isolation Transformer

Toroidal Isolation Transformer

Low-noise, high-efficiency transformer ideal for audio systems, medical equipment, and sensitive electronics.

  • Power Range: 50VA – 5000VA
  • Frequency: 50/60Hz
  • Leakage Current: < 0.5mA
  • Use Cases: Audio, solar, medical
Three Phase Control Transformer

Three Phase Control Transformer

Reliable power source for industrial control circuits, PLCs, and automation systems.

  • Voltage: 380V/220V, 480V/120V
  • Power: 100VA – 10KVA
  • Mounting: DIN rail or panel
  • Standards: IEC 61558
Line Interactive UPS

Line Interactive UPS

Hybrid UPS with AVR functionality for seamless power backup and voltage correction.

  • Capacity: 1KVA – 20KVA
  • Waveform: Pure sine wave
  • Transfer Time: 4–8ms
  • Battery: External or internal
Single Phase Transformer

Single Phase Transformer

Compact and efficient for residential and light commercial voltage conversion needs.

  • Input: 110V/120V/220V/230V
  • Output: Customizable
  • Power: 50VA – 10KVA
  • Efficiency: >95%
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Why Choose SKZ?

We combine decades of engineering expertise with cutting-edge manufacturing to deliver unmatched reliability.

Certified Quality

CE, RoHS, FCC, EMC, and LVD certified products meeting international safety standards.

Global Reach

Exported to over 60 countries including USA, UK, Canada, Australia, and South Africa.

R&D Driven

Dedicated engineering team for custom design and technical support.

2-Year Warranty

Comprehensive after-sales service and long-term reliability assurance.

20+
Years in Business
60+
Countries Served
2000m²
Factory Area
99.8%
Customer Satisfaction

Frequently Asked Questions

Everything you need to know about our products and services.

Do you offer custom transformer designs?

Yes, our R&D team can design transformers and stabilizers to meet your specific voltage, power, and physical requirements.

What certifications do your products have?

All SKZ products are certified with CE, RoHS, FCC, EMC, and LVD standards for global compliance and safety.

What is the delivery time for bulk orders?

Typical lead time is 15–25 days after order confirmation, depending on product type and quantity.

Do you provide after-sales support?

Yes, we offer technical support, troubleshooting assistance, and a 2-year warranty on all products.

Can I get a sample before placing a large order?

Yes, sample units are available for evaluation. Contact us for sample pricing and shipping details.

Get in Touch

Reach out to our sales team for quotes, technical inquiries, or custom design requests.

Sales Director: Mr. John Gao

Email: [email protected]

Phone: +86-13618377608

WhatsApp: Chat on WhatsApp

Skype: john86421

Office Tel: +86-2365463914

WeChat: +86-13618377608

Address: No.26, Shangbaomei Road, Songgang, Baoan District, Shenzhen, Guangdong, China 518105

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