Your ideas

Off-the-shelf components often cause limit your innovative product ideas. Design to application, quality improvement and cost savings are only some of the benefits of our tailored connector solutions.

For individual solutions

As your customized connector solution provider with 30 years of certified expertise in automotive and e-mobility, industrial, health care, rugged and wearable applications, we will help you to give wings to your ideas.

Is our motivation

“Make it possible” is our answer to our customer‘s demands. We strive to exceed these demands with operational excellence in order to provide our customers with the greatest possible competitive advantages in their markets.

Worldwide Clients
Individual Solutions
Staff Members


The reliable interconnection of electronics and drive controls is substantial to the automotive and e-mobility market. Design, functionality, durability and cost considerations of connectors are key drivers when it comes to the long-term success of your product. SUYIN employs the latest design and production technology to provide you with the optimal solution – customized and manufactured to your needs.

Individually combine different interfaces into one connector for consolidating your BOM, procurement IQC and resources needed ▶

IP67/68 supported by our insert molding technology ▶

High Current

High-current connections require safety, quality and reliability. SUYIN is the leading company in the development and production of innovative, stamped high-current contacts. Our connections offer the same safety as their machined equivalent. Up to 250 Amps, they offer more cost-efficiency, with higher current rates to come soon.

STAR-O Stamped Contacts:

  • More cost-efficient and lightweight: 250A on demand.
  • Features fully silver-plated 95% terillium copper, IACS approved.

C-MACH Machined Contacts:

  • Still highest current rating: 500A on demand.
  • Features fully silver-plated 95% terillium copper, IACS approved.

Our 250A STAR-O Stamped Contact ▶

Our 500A C-MACH Machined Contact ▶

Rugged Connectors

To provide you with the durability you have come to expect, we must integrate increasingly sophisticated technologies into our connector designs. SUYIN employs the latest design and production technology to provide you with customized solutions, rugged and safe to connect. Regardless if your demands require tightness in form of waterproof and dustproof sealing or capability to absorb vibration and shocks.

IP67 water- and dust-proof micro USB ▶

High-contact retention force despite thinnest contact carriers, achieved
by SUYINs proven insert-molding technology ▶

Realize your individual application

  • SUYIN incorporates years of automotive, industrial and consumer application experience into the development of your customized product.
  • SUYIN’s outstanding decision capability facilitates rapid response times.
  • Sales and engineering service on your site to ensure maximum efficency for your project.

Our Service

As your connector solution provider, we offer you:

  • Engineering and sales in Europe for quick on-site consultation
  • Quick sample prototyping
  • In-house tooling for rapid development phase
  • Flexible logistics services with a hub in Germany
  • Certified in-house testing lab

360° Project Management


Contact information

Please don‘t hesitate to contact us regarding your project. We promise to get back to you within the next business day.