)
)
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 enduranceㆍcorrosion reistant characteristic using steel powder and precast panel for tunnel using the same
)
Composite for concrete Mineral Admixtures that improved enduranceㆍcorrosion reistant characteristic using steel powder and precast panel for tunnel using the same
)
Composite for concrete Mineral Admixtures that imprved enduranceㆍcorrosion 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 그 construction method, Korea Intelletual Property Office
)
Flux controlvalve for quick opening, Korea Intelletual Property Office
)
ISO 9001:2008
