About Us

UNSEMI aspires to be a global pioneer in EMC protection. Backed by industry‑ leading protection device portfolio, we offer one‑ stop full‑ lifecycle EMC solutions worldwide. Our full‑ range lineup covers ESD, over-voltage surge suppression, EMI filtering and system-level shielding, catering to automotive electronics, industrial control, AI, medical, communications and new energy sectors. UNSEMI adheres to its core philosophy “Strive for excellence, Gratitude in deeds”. Specializing in EMC protection, we follow global EMC standards and cutting-edge anti-interference technologies to deliver forward looking insights and compliance guidance.Beyond component supply, our EMC test remediation center and FAE team offer end to end closed-loop services covering design review, troubleshooting, certification support and training. With the “Products + Research + Services” edge, we empower customers for superior anti‑ interference performance and market competitiveness, striving to be your trusted EMC partner