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Who we are

Professional Relay Manufacturer

At Shenler, we provide a comprehensive range of industrial relay products and services.We're dedicated to delivering the highest quality products and services to our customers around the globe.

Shenler factory pic

Shenler is dedicated to delivering superior products and services to our valued customers. We continually strive to exceed expectations and create long-term relationships built on trust.

  • We have more than 50 series and more than 2600 relay and socket models.
  • Products mainly include PCB relays, industrial relays, interface relays, time relays, sockets, accessories and modules.
  • Products have passed UL, CSA, CE, TUV, CQC and other certifications.

Professional relay research and development, manufacturing and sales Team

Shenler is a business company headquartered in China and active internationally. Shenler specializes in the research and development of relays and sockets. The development of the company can be traced back to the Yueqing Shenle Relay Factory established in 1985. In 1997, the company was successfully restructured and upgraded to Zhejiang Shenle Electric Co., Ltd. In 2014, the company registered and established Shenle Co., Ltd. through restructuring.

After more than 35 years of development, our company has passed the ISO9001 quality management system certification. Won dozens of honors such as “Top Ten Brands of Relays in China”.  We focus on reliability and durability. Our commitment to the advancement and our unrivaled range of product portfolios enables companies large and small to turn ideas into technologies.

Our History

One of the leading manufacturers of electrical equipment in the world


Construction of new plant started (6,3333m2)
Focuses on industrial relays, new energy electric vehicle fast charging piles, and photovoltaic lithium battery energy storage equipment.


Won the provincial smart factory, provincial patent demonstration enterprise


Transformation of business direction to Industry 4.0 automated intelligent manufacturing equipment


Shenler Co., Ltd. formally signed a listing counseling agreement

  • Won the Top Ten Brands of Chinese Relays for 3 consecutive years.
  • Established UL and TUV witness laboratories in the United States.
  • Introduced three fully automatic intelligent production lines for relays.

RFT relay won the CAMRS annual innovative product award


The old factory area was completed and the new brand was launched


Obtained European TUV and China CQC product certification


The processing center was established. Complete the whole industrial chain of stamping, injection molding, mold and automation equipment manufacturing


Won China national spark plan project, China’s top ten relays awards


Established a socket branch company supporting relays


Our company passed the ISO9001 quality system certification


Use trademark to promote worldwide markets




Brand “ establishment, home appliance relays as the business focus


Shenle Relay Factory was established

Chairman Message

To become a world-renowned intelligent manufacturing factory, Shenler has already started to take its first steps. We will promote fully automated production and invest in training industry experts. In the future, Shenler will not only have masters in the field of intelligent manufacturing, but also those who love their industry and are passionate about it.

We need to transform the original relatively simple value system into a pluralistic one to allow every Shenler employee to shine in their own position. In the future of Shenler, we will see a new model that perfectly combines theory and practice.


Why Trust us

We encourage, motivate and challenge every employee to unlock their potential in meaningful ways and help advance our goals and strategies. Across our organization, we support professional development and contribute to a culture that embraces diversity, expects inclusion and values engagement. Working together across our company makes us stronger.

designDesign,Researh & Manufacturing

No matter what your design needs are, we can help. We have our own team of designers who can create new products from scratch or work with you to customize an existing product. We also offer OEM/ODM services to save you time and money on product development. Contact us today to learn more about what we can do for you.

Our Professional Sales Team

Before our products are shipped to you, they undergo a series of quality control tests by our experienced QC team. This is to ensure that all products are safe for use upon arrival. Our sales team is dedicated to providing excellent service to our valued customers.

Built on trust

High quality is something we constantly strive for at our company

Shenler always looking for ways to improve existing products or create new ones. We have always been committed to manufacturing high-quality, durable relay products, and we aspire to be the industry benchmark for product quality. High-quality products come from professional factories, and our factory is also a factory with a number of international standard certifications.

Our clients appreciate our attention to detail and our ability to provide high quality service at competitive prices. We have an excellent record of completing projects on time and within budget.

Our focus is on quality, so if you have any suggestions, please feel free to contact us!

Contact Us

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