Business License (Corporation)
Department exclusively appointed for R&D
Dyring machine, Korea Intelletual Property Office
Automotive lifter, Korea Intelletual Property Office
Nut, Korea Intelletual Property Office
INNO-BIZ certification (English), SMBA (Small & Medium Business Administration)
INNO-BIZ certification (Korean), SMBA (Small & Medium Business Administration)
Flux control valve for quick opening, Korea Intelletual Property Office
Integral drainage structure of poruing type PC panel tunnel lining system and tunnel lining construction method
Composite for concrete Mineral Admixtures that improved endurance¤ýcorrosion reistant characteristic using steel powder and precast panel for tunnel using the same
Composite for concrete Mineral Admixtures that improved endurance¤ýcorrosion reistant characteristic using steel powder and precast panel for tunnel using the same
Composite for concrete Mineral Admixtures that imprved endurance¤ýcorrosion reistant characteristic using steel powder and precast panel for tunnel using the same
Filler generator using rock dust, Korea Intelletual Property Office
Poruing type PC panel tunnel lining system and ±× construction method, Korea Intelletual Property OfficeFlux controlvalve for quick opening, Korea Intelletual Property Office
ISO 9001:2008