WONJAE INDUSTRIAL CO.,LTD
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Design of roads and bridges, Engineering of roads, Road pavement maintenance, Raised pavement markers
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Worldtech
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Traffic information provision system and equipment, Big data system, Others technologies and products related road traffic
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World Tech
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Big data system
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xation
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Raised pavement markers, Visual guidance facilities, Others technologies and products related road traffic
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Y.J ENGINEERING & CONSTRUCT CO.,Ltd
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Raised pavement markers, Visual guidance facilities, Safety facility equipment and materials, National research institutions, Associations, Relevant institutions and organizations, Others technologies and products related road traffic, Others including magazines and newspapers specialized at road traffic
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Yoonsung Development co., Ltd
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Road pavement materials, Concrete pavement, Asphalt pavement, Special asphalt concrete, Car protection facilities, Relevant institutions and organizations
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ZEDA KOREA
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Special vehicle, Car protection facilities
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