Company Profile

Sumidahk specializes in the manufacturing of professional electronic parts and components. Established in 2000, Sumidahk has evolved into one of the world's largest producers of electric coils over the past eight years.
Setted factories in HuLan and Shenzhen, Sumidahk keeps on a continuous progress in designing, producing, managing and acquired the ISO9001: 2000, ISO 14000 and UL attestationion. The products are sold as far as the Europe and America, Africa and Southeast Asia etc.
Sumidahk contains most of the coils products, like Choke coils & Fixed inductors, Variable coils, EMI suppressors/Filters, Toroidal coils, AC-AC & AC-DC adaptors, DC-DC transformers & Line filters, Chip inductors/beads etc. We are concentrating on the research and development, carrying through the trustworthiness and quality, focusing on customers request, developping team cooperation spirit, continuously creating, providing the high-quality products and the perfect services to the global customers.