INVESTOR RELATIONS


INNOVATIVE DRAINAGE PAVEMENT SYSTEM (15TH INTERNATIONAL ROAD FEDERATION WORLD MEETING 2005)

INNOVATIVE SYSTEM(PDF/380KB)


EXPERIMENTAL STUDIES FOR EVALUATION OF A STUMBLE AND A SLIP OF THE ELDERLY ON CONCRETE BLOCK PAVEMENTS (JIPEA WORLD CONGRESS 2000)

CONCRETE BLOCK PAVEMENTS.PDF(PDF/268KB)


STUDY CONSERNING THE COLORS OF TACTILE BLOCKS FOR THE VISUALLY HANDICAPPED(JIPEA WORLD CONGRESS 2000)

COLORS OF TACTILE BLOCKS.PDF(PDF/511KB)


APPLICATIONS OF MICROSURFACING PROCESSES TO PAVEMENT REPAIR WORK (REAAA(ROAD ENGINEERING ASSOCIATION OF AISIA AND AUSTRALASIA)

MICROSURFACING.PDF(PDF/292KB)