About Us

- Where Every Test is OK

At Tessio, our name is more than just a word it's a statement of purpose.

Tessio is crafted from three meaningful parts:

  • Tes  From the word Test, representing precision, evaluation and control.
  • si  A clever twist on the word is, creating connection and clarity in meaning.
  • O  From OK, the global symbol of successful outcomes and reliability.

Put together, Tessio reflects the belief we stand behind:

Test is OK.

This isn't just a slogan it's our promise.

We engineer and measurement instruments that are smart, safe, and trustworthy. With every product, we empower users to achieve accurate results and operate with full confidence.

Whether you're testing home appliances products, and electronics or component parts, Tessio ensures the outcome you can depend on: "OK".

Tessio Technology Ltd.

We are manufacturer of precision testing instruments of electrical safety test, component parameter test, micro signal type test, power electronic test and environmental measurement. We serve clients in industrial manufacturing, quality control and R&D sectors around the world.


With a team of experienced engineers and a commitment to innovation, Tessio continuously improves it's technology to meet the evolving needs of modern industry.

We don't just measure safety ---> we build it

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