Founded AVR Factory


Founded Frequency Inverter Factory


Founded UPS, Home Inverter, Solar Inverter Factory 


Founded AGM Battery Factory


Founded Solar Panel Factory


Founded Lithium Battery Factory

About SAKO

SAKO, headquartered in China, stands as a beacon of innovation in the realm of electronic engineering. One of our Factory, Hangzhou SAKO Frequency Technology Co Ltd., are the market leader in manufacturing and supplying Variable Frequency Drives (VFD). Our devices are pivotal in controlling the speed of electric motors, ensuring efficient power utilization and driving operational excellence.

Our primary partner spans from large corporations, distributors, to industrial suppliers on the lookout for premium equipment that stands the test of time. Our B2B model ensures we have a laser focus on our corporate clientele, delivering solutions tailored to their intricate needs.

The core strength of SAKO is our unwavering commitment to quality. Every VFD that leaves our premises is a testament to rigorous quality control, meticulous craftsmanship, and innovative engineering. We understand the high stakes of industrial operations, and our products are crafted to deliver unparalleled reliability, consistently meeting and exceeding client expectations.

We recognize the pain points of businesses – the disappointments stemming from delayed deliveries, and the cascading impact it can have. That’s why at SAKO, we’ve streamlined our logistics to ensure swift and timely delivery. Coupled with our personalized customer service, we strive to address every query, every concern with a level of urgency and precision that our clients deserve.

In essence, SAKO isn’t just a supplier; we’re a partner. A partner committed to propelling businesses forward with cutting-edge frequency converters. As industries evolve, our promise remains constant – to serve, support, and satiate our global clientele with solutions that truly make a difference.

Why choose SAKO

Industry Experience

SAKO has 30 years of manufacturing experience in Frequency Converters and Solar Inverters.

Quality Assurance

SAKO has a perfect QA&QC system.Opening several factories with professional R&D teams and mastering core technologies.

Brand Awareness

SAKO is a well-known brand in the world, specializing in the field of inverters for 30 years. We have agents all over the world.


 Customer service staff and R&D engineers at your service (24 hours)

R&D Capability

 Strong R&D capability, with 3-5 new products developed yearly.

Competitive Pricing

Working with SAKO eliminates excess overheads andreduces costs.

Meet the Team

Factory Tour