About us
Who we are


A leading supplier of high-quality custom cable and wire harness assemblies

SINNHONG ELECTRONICS CO., LIMITED is a leading supplier of high-quality custom cable and wire harness assemblies. Based in Dongguan, China and Ho Chi Minh City , Vietnam , in China we operate out of a 3000 square meter facility equipped with advanced manufacturing technologies and staffed by 100 skilled production workers and a dedicated R&D team.

To avoid high tariffs and labor costs, we have established our manufacturing plant in Vietnam, CONG TY TNHH SINNHONG(VIET NAM) Covers an area of 3000 square meters and employs 100 employees. By doing so, we aim to optimize our production processes and enhance cost efficiency while benefiting from the favorable business environment in Vietnam. The country's lower tariffs make it an attractive destination for expanding our operations, allowing us to remain competitive in the global market. Additionally, Vietnam's abundant labor force enables us to reduce overall manufacturing expenses, ensuring the sustainability and profitability of our business. Our decision to open a branch factory in Vietnam and employ around 100 individuals exemplifies our commitment to adapt and thrive while balancing economic considerations and workforce needs.

Our product portfolio includes a wide range of custom cable assemblies, such as industrial cable assemblies , computer cables, telecommunication cables, , and wiring harnesses for automotive, industrial equipment, vending machines, game machines, security products, and more. All of our products comply with RoHS 2.0, regulations.

At SINNHONG, we understand that our customers expect high-quality products, competitive prices, and fast turnaround times. To meet these demands, we have invested heavily in our manufacturing capabilities, including automation and semi-automation equipment to create a flexible manufacturing system.

With our professional engineering team , we offer quick turnaround times and exceed our customers' expectations at every stage, from product design to manufacturing and delivery.

At our company, we prioritize delivering high-quality cables and custom cable assembly services to our customers. We achieve this by investing in the latest equipment and technologies in the industry. Our focus on innovation allows us to provide our customers with electronic manufacturing services at competitive prices without sacrificing the quality of our products.

Whether you need a simple or complex order, we are capable of delivering on time and within budget. Additionally, we offer the flexibility of using either original or equivalent parts, which can save both time and money for our customers. Partner with SINNHONG ELECTRONICS CO., LIMITED today and let us help you win more business by providing you with superior quality, competitive pricing, and reliable delivery times.

We are excited to announce the opening of our booth at Vietnam Electronics City, dedicated to enhancing our service to global customers. This strategic location allows us to maintain direct, face-to-face communication with clients from around the world.

We believe that direct interaction is key to understanding and meeting the unique demands of our diverse customer base. Our team is committed to providing exceptional service and support, ensuring that your experience with us is seamless and rewarding.

Visit us at Vietnam Electronics City to discover how we can help you achieve your goals and drive your success.

We look forward to meeting you!

SINNHONG Vietnam Company is proud to announce that it has been awarded the internationally recognized ISO 9001 certification for its quality management system on May 30, 2024. This certification highlights SINNHONG's commitment to providing high-quality custom wire harnesses and cable assemblies to its global customers.

The ISO 9001 certification is a significant achievement that reflects SINNHONG's dedication to maintaining the highest standards of quality and efficiency in its manufacturing processes. This milestone demonstrates the company's ongoing efforts in continuous improvement and customer satisfaction.

"SINNHONG has always prioritized quality and customer satisfaction," said William, General Manager of SINNHONG Vietnam Company. "Receiving the ISO 9001 certification is not only a recognition of our existing quality management system but also a testament to the hard work of all our employees."

SINNHONG Vietnam Company specializes in custom wire harness solutions, providing precision and reliability to various industries. The attainment of this certification will further enhance customer confidence in SINNHONG's product quality and strengthen the company's leading position in the industry.

"This achievement would not have been possible without the efforts of every one of our employees and the support of our customers," William added. "We will continue our commitment to excellence in quality management, innovation, and providing the best products and services to our customers."


At SINNHONG Electronics, we pride ourselves on our ability to provide custom cable assemblies that meet or exceed our customers' expectations. We are committed to delivering high-quality products on time and at a competitive price. Contact us today to discuss your custom cable assembly needs.


We are committed to delivering the highest quality cable and wire assemblies, and we use only the best materials and manufacturing processes to ensure that our products meet the highest standards.


Our rapid prototyping and manufacturing capabilities allow us to deliver your custom cable or wire assembly quickly, reducing your time-to-market and helping you stay ahead of the competition.

Competitive Pricing

Our efficient manufacturing processes and bulk purchasing power enable us to offer competitive pricing without sacrificing quality.

Customer Service

Our team of dedicated professionals is committed to providing exceptional customer service and support, and we are always available to answer your questions and address your concerns.

If you have any questions or would like to learn more about our capabilities and services, please do not hesitate to contact us