Guangzhou Sanjing Electric Co., Ltd.
Guangzhou Sanjing Electric Co., Ltd.
SAJ VFD & Controllers

SAJ VFD & Controllers deliver precise motor control and energy efficiency for diverse applications. Our smart drives optimize performance, reduce carbon footprint, and support sustainable automation across industries worldwide.

Pump Control VFD Pump Control VFD
Pump Control VFD

Optimize water systems with SAJ Pump Control VFDs—intelligent, efficient, and durable. Reduce energy waste, prevent water hammer, and extend pump lifespan for smarter fluid management.

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General Control VFD General Control VFD
General Control VFD

SAJ General Control VFDs provide reliable motor speed regulation for industrial and commercial applications. Enhance efficiency, reduce energy consumption, and ensure smooth operation across diverse machinery.

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Solar Pump Control VFD Solar Pump Control VFD
Solar Pump Control VFD

Harness solar power seamlessly with SAJ Solar Pump VFDs. Ideal for off-grid irrigation, agriculture, and water supply—eco-friendly, cost-effective, and low-maintenance.

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Accessories Accessories
Accessories

Enhance performance with SAJ VFD accessories—braking resistors, filters, and communication modules. Ensure system compatibility, protection, and seamless integration for optimized motor control.

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Industrial Automation Solutions

Discover expert insights into VFD & Controller Solutions

Powering smart industries with Constant Pressure Water Supply, Solar Pumping Control, and Mechanical Equipment Automation—energy-efficient, reliable, and sustainable solutions for optimized performance.

  • Constant Pressure Water Supply Solutions
    In an educational setting, students and teachers need to form a circle. Now, ensuring that everyone's experience becomes necessary. Use our Mobile TV Stand to easily solve this problem.
  • Solar Pumping Solution
    The TV used in the meeting room is generally larger than 65 inches. Large-size TVs are often accompanied by greater weight requirements. But it doesn't matter, we also produce heavy duty TV cart. We use thick steel to produce this product to ensure that you use it without worry.
  • Mechanical Equipment Control Solutions
    We support customized products on demand. We experienced research and design staff understand your tv mounting need when especially comes to the customized designed trolley stand. More than 20 years history will give you more of the marketing suggestions.
  • Constant Pressure Water Supply Solution
    Constant Pressure Water Supply Solutions
    In an educational setting, students and teachers need to form a circle. Now, ensuring that everyone's experience becomes necessary. Use our Mobile TV Stand to easily solve this problem.
  • Solar Pumping Solution
    Solar Pumping Solution
    The TV used in the meeting room is generally larger than 65 inches. Large-size TVs are often accompanied by greater weight requirements. But it doesn't matter, we also produce heavy duty TV cart. We use thick steel to produce this product to ensure that you use it without worry.
  • Mechanical Equipment Control Solutions
    Mechanical Equipment Control Solutions
    We support customized products on demand. We experienced research and design staff understand your tv mounting need when especially comes to the customized designed trolley stand. More than 20 years history will give you more of the marketing suggestions.
Why Choose SAJ?
Why Choose SAJ?

Our expertise and dedication are your guarantee of quality and reliability.

SAJ is a state-level high-tech enterprise, focusing on motor drive and control technology, renewable energy conversion, transmission and storage solutions. It provides professional distributed solar inverters, storage hybrid solar inverters, general frequency drives, smart pump drives, solar pumping systems, control systems for smart adjustable desk, and monitoring platform. Under localization strategy, now SAJ has expanded its branches in Belgium, Netherlands, Italy, Poland, Australia, Brazil, Italy, Spain, India, etc. Contributing to the development of the leading drive & zero-carbon and energy-saving technology, SAJ dedicates itself to becoming the world’s leading provider of digital energy management services for green buildings. Establishing a green, smart and efficient energy environment, creating a healthy and happy life.

More About SAJ
18 Years

VFD/Inverter Manufacture Experience

294

Effective IP Rights

6

Key Marketing Zones

80

Worldwide Business Footprints

Contact Us SAJ pays attention to quality and service. Welcome to visit us and join hands for a prosperous future.
Contact Us
You're Invited! Visit SAJ at SNEC 2025 Shanghai!

May 21

2025

You're Invited! Visit SAJ at SNEC 2025 Shanghai!

Join us at SNEC 2025 in Shanghai and experience the next wave of smart energy solutions! We're thrilled to showcase our latest innovations designed to empower homes and businesses with efficient, ...

Mar 28

2025

SAJ Teams Up with Vietnam's Tran Le to Expand Presence in Asia-Pacific Emerging Markets

In a significant move marking the Year of the Snake, SAJ has inked a strategic cooperation agreement with Vietnamese firm Tran Le for 100 megawatts (MW), signaling a robust start to the year and a bol...

SAJ Teams Up with Vietnam's Tran Le to Expand Presence in Asia-Pacific Emerging Markets