About Sino-1

Our Core Electrical Contact Products

We have expanded into a comprehensive provider of precision electrical components, now offering seven major product categories.
Our products serve a wide range of industries, including industrial manufacturing, automotive electronics, smart home appliances, aerospace, and medical devices.

Customized Solutions for Your Needs

Built on a foundation of advanced technology, standardized processes, and consistent quality, Sino-1 has earned the trust of over 100 renowned enterprises across the globe. Our strong in-house R&D team and commitment to high-quality service enable us to meet diverse and demanding customer requirements.

Manufacturing Based On Drawings

We can precisely produce contact components according to customer CAD drawings or detailed technical requirements.

Development Based On Samples

We support rapid reverse engineering and performance optimization based on physical samples.

Full-process Support

We provide full-cycle production services covering single-piece sample verification, small-batch testing, and large-scale mass production (up to 60 million pieces/month).
If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

Latest News and Events

news_main_image_Integrated-Tapping-Assemblies11250716411878295473.jpg

How Is Thread Depth Kept Consistent in Tapped Contact Assemblies?

Learn how precise thread depth in tapped contact assemblies ensures mechanical integrity and electrical performance. Read our engineering guide.

news_main_image_Inlay-Clad-Metal-Strip2676847833465686840.jpg

How Does Inlay Width Tolerance Affect Stamped Contact Position?

Learn how inlay width tolerance impacts true position in stamped contacts. Control GD&T, reduce scrap, and optimize clad metal selection.

news_main_image_Button-Contact2927640061576815317.jpg

How Does Surface Flatness Affect Button Contact Switching?

Learn how surface flatness impacts electrical contact lifespan, resistance, and reliability. Optimize switching performance and avoid failure.

Professional Electrical Component Supplier And Long-Term Trusted Partner Of Global Electrical Enterprises

Our strong in-house R&D team and commitment to high-quality service enable us to meet diverse and demanding customer requirements.

Quick Links

Product Category

Contact Us

Phone: +86-769-8860-5666
Telephone: +86-135-8088-6709
Address: Yinkang Street,Xiangtou village, Dalang Town, Dongguan City, Guangdong Province, China

Subscribe

Promotions, new products and sales. Directly to your inbox.
Copyright © 2026 Dongguan Sino-1 Electrical Contacts Alloy Co., Ltd. All Rights Reserved. Privacy Policy | Sitemap