Sumitomo Electric, founded in Japan in 1897, has continuously developed innovative products and technologies based on its expertise in electric wire and cable manufacturing. Today, the company operates across five major business segments: Environment & Energy, Infocommunications, Automotive, Electronics, and Industrial Materials, with operations in approximately 40 countries and regions worldwide. In China, the Sumitomo Electric Group has approximately 90 companies and more than 30,000 employees.

Sumitomo Electric has long been committed to technological innovation and the development of skilled professionals. Since WorldSkills Leipzig 2013, the company has served as an official sponsor of six consecutive WorldSkills Competitions, continuously providing optical fiber fusion splicers, optical connectivity products, as well as technical and operational support for the “ICT Network Infrastructure” skill competition. In recognition of its long-standing support for WorldSkills, leading optical communications technologies, and continued commitment to skills development, Sumitomo Electric was selected for the first time as a Gold Partner of the 48th WorldSkills Competition in 2026.

Sumitomo Electric also actively contributes to international skills development by providing professional training and technical guidance to communications infrastructure technicians overseas. Through these initiatives, the company promotes the dissemination, transfer, and advancement of optical fiber fusion splicing and optical connectivity technologies, while contributing to the development of highly skilled professionals who will support the digital society of the future and global communications infrastructure.