Sun Synergy Technology Co., Ltd. Was established in 2012 to provide professional wire design, technical consultation, and OEM production integration services. With the spirit of providing the highest quality customer service, Sun Synergy has striven to continuously improve and excel in the various industries in which it operates. With a focus on green energy, Sun Synergy actively invests in the design and development of electric vehicles and hydrogen energy products. Sun Synergy also heavily invests in the training of employees to ensure that they are equipped with the necessary tools to provide exceptional service to clients. Sun Synergy’s products are in use in a wide array of industries such as motor vehicles, new energy, industrial control, medial electronics, consumer electronics, and other related fields.

Sun Synergy has bases in Shanghai, Jiangsu, and Japan. The main manufacturing facility is Shanghai Yingyu Electronics. With more than 30 years of technical experience, the facilities boast a production capacity of 10 million pieces per month. Establishing a complete production order process allows Sun Synergy to reduce costs by keeping inventory of common materials. This is turn allows us to quickly provide solutions to our clients and shorten lead times. From procurement, product ordering, R&D and manufacturing to after-sales service, Sun Synergy is your trusted partner for harnesses and cables.

Sun Synergy

  • 01 Business Philosophy
  • 02 Professional Engineering
    and Research and Development
  • 03 Customized ODM/OEM service
  • 04 Rigorous Quality Management

Business Philosophy

Continuous Innovation, Total Teamwork, Targeted Goals, Focus on Service


Professional Engineering and Research and Development

Sun Synergy has a professional engineering team that can provide a wide array of solutions including safety testing, certification, development, and mass production scheduling. Our full support structure ensures our clients are able to make fast, accurate decisions and bring new products to market successfully.


Customized ODM/OEM service

Sun Synergy provides customized services for each client. In order to provide the highest quality service, a team is assembled to serve each individual client from design, development, sample production, to mass production. This ensures that our client’s products are launched on time. Sun Synergy’s highly vertical integration and customized ODM/OEM services provide a one-stop manufacturing solution.


Rigorous Quality Management

To ensure the highest quality for our clients, Sun Synergy employs thorough process management, material inspection, sample inspection, equipment maintenance, and quality inspection before shipment.

Established in


Factory area

0 m2



About our

  • 1992/ 11 Shanghai Yingyu, the sister company of Sun Synergy, founded in Shanghai
  • 2002/ 10 Certified by ISO9000
  • 2004/ 05 Certified by UL Factory
  • 2004/ 10 Certified by ISO14000
  • 2009/ 10 Certified by IATF16949
  • 2012/ 04 Yingyu 2nd plant founded in Jiangsu
  • 2012/ 08 Kunshan Hanjiang, raw cable manufacturing, in Kunshan Dianshan Lake
  • 2012/ 08 SUN SYNERGY founded New Taipei City, Taiwan
  • 2013/ 07 Certified by ISO13485
  • 2016/ 05 Obtained Green Partner Certificate Issued by Sony
  • 2020/ 08 SUN SYNERGY Factory founded in New Taipei City
  • 2021/ 01 Japan branch office established in Nagoya
  • 2022/ 04 Marketing/Overseas Sales Department established in Taiwan
Sun Synergy Technology Co., Ltd.
  • 3F., No. 916 Zhongzheng Road, Zhonghe District, New Taipei City, Taiwan
  • T: +886 2-2226-7977
  • F: +886 2-3234-7977
Shanghai Yingyu Electronics Co., Ltd.
  • No. 68, Yeyuanye Road, Dazhong Industrial Park, Anting Town, Jiading District, Shanghai
  • T: +86 21-69576066
  • F: +86 21-39578106
Jiangsu Hsengchi Technology Co., Ltd.
  • No. 8, Electronic Information Industrial Park, Jinshajiang Road, Sihong County, Suqian City, Jiangsu Province
  • T:+86 527-86782368
Jiangsu Kunshan ( Hanjiang Wire Factory )
  • 3F., No. 916 Zhongzheng Road, Zhonghe District, New Taipei City, Taiwan
  • T: +886 2-2226-7977
  • F: +886 2-3234-7977
Japan Tokyo Branch Office
  • 2-1-12-1101 Kitaueno-cho, Taito-ku, Tokyo 110-0014, Japan
  • T: +81-70-8316-6486
  • Email: deguchi@shyingyu.com