Korea –
Electrical construction
business license

Korea - Mechanical equipment construction business license

China -Level 3
contracting license
specialized in building
mechanical & electric
equipment
installation process

China – Safety production permit

China – Level 2 contracting
license specialized
in electronics
and intellectualization

Safety management
certification
KOSHA-MS

Quality management certification
ISO9001: 2015

Environmental
management certification
ISO14001: 2015

Certificate of recognition
for corporate-affiliated research center

Risk assessment certificate

Overseas safety
and health management
certification
ISO45001:2018

Overseas quality management
certification
ISO9001:2015

Overseas environmental
management certification
ISO14001:2015