Global quality certifications and proprietary patents.
We hold international quality, environmental, and safety management certifications, North American UL safety certification, and registered patents and trademarks.
ISO 9001:2015
Quality Management System
Certificate No. QMS-2239
ISO 14001:2015
Environmental Management System
Certificate No. EMS-0586
ISO 45001:2018
Occupational Health & Safety Management System
Certificate No. OHS-0232
UL Certificate
North American UL wire safety certification (AVLV2/AVLV8)
Appliance Wiring Material
RoHS Compliance
Restriction of Hazardous Substances compliance
EU RoHS Directive 2011/65/EU
MOIP Patent Registration
Registered Patent No. 10-2587201
Harness Inspection Device and Method — our proprietary technology that uses electromagnetic waves to test for broken wires without direct connector contact. We developed it in-house and apply it to product inspection.
Patent Registration No.
No. 10-2587201
Filed 2021.08.18 · Registered 2023.10.04
No. 40-1267118
Korean-text trademark "대영" · Class 06 and 2 others, 47 designated goods
Filed 2016.12.05 · Registered 2017.07.07
No. 40-1265249
"DY" logo trademark · Class 06 and 2 others, 48 designated goods
Filed 2016.12.05 · Registered 2017.06.30
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