About Us

Powering the Future with Innovative Solutions

In 2018, HIITIO was founded when Hecheng Electric brought in an experienced research and development team. Since then, we have been manufacturing high-voltage DC relays, contactors, fuses, and other electrical devices exclusively for EVs, solar energy systems, and energy storage applications.

Developing Experience

We have years of experience in developing electrical equipment for the new energy automotive, photovoltaic, energy storage, HVAC/R industries.

Fully Certificate

Our products are certified by UL, CSA, INTERTEK, CE, CB, CCC, etc.

New Brand Update

HIITIO has undergone a complete upgrade, and years of accumulation have been transformed into a proactive approach towards the new energy industry.


Year of experience


Countries & Areas

500 +



㎡ Headquarters


Founded in 2004, Hecheng Electric (Zhejiang Hecheng Smart Electric Co.,Ltd.) focused on motor control solutions and have become a leading global supplier of the new energy industry and specializes in new energy vehicles, photovoltaic, energy storage, and HVAC/R industry. Hecheng Electric is now headquartered in Hangzhou, China with 30,000 ㎡, and the production line of high-voltage DC relays and fuses is also here.

Headquarter building of Zhejiang Hecheng Electric Co.Ltd 800
Environmental Testing equipment 16 9

Our Laboratory

Our laboratory is equipped with advanced equipment and a professional technical team capable of conducting various critical tests to ensure that our products meet the highest industry standards and your requirements.

Our Factory

We have 2 other factories, one located in Mingguang City, Anhui Province, mainly producing air conditioner contactors, and one located in Yueqing, Wenzhou, Zhejiang Province, mainly producing air conditioner switch boxes.

Hecheng Electric Mingguang Factory 1000

Our Certifications

After years of experience in the industry, our products have gained popularity and are sold in multiple countries. We have obtained various certifications such as UL, CSA, INTERTEK, CE, CCC, TUV, CB, IATF 16949:2016 to comply with the requirements of different markets and national policies.

We have provided some examples of our certifications below. If you want to know the certification status of a particular product, you can check the corresponding product page or reach out to our sales team.

UL certification demo E528598 20221226 1 scaled 1


Our Vision

To be the world’s leading supplier focused on new energy electrical solutions.

We Follow Best Practices

Our unwavering commitment is to deliver professional-grade electrical hardware.
We strive to provide solutions that are tailored to your specific new energy project requirements.
Our goal is to ensure your satisfaction with our products and services.
Scroll to Top


  • We will contact you within 12 hours
  • Don’t worry, we hate spam too!
  • 19

    Years of experience


    Countries & Areas

    500 +



    ㎡ Manufacturing Factory