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Yoonsung Development CO., Ltd

Introduction

Yoonsung Development Company, headquartered in Dalseong, Daegu, is a comprehensive construction materials company specializing in asphalt concrete (Ascon), ready-mixed concrete, and aggregates. Since its founding in 2013, Yoonsung has earned strong industry trust through continuous innovation and quality improvement, guided by its philosophy of being Technology-Oriented, People-Oriented, and Environment-Oriented. In 2024, the company received the Presidential Group Citation for its contributions to eco-friendly asphalt technology and resource recycling. This recognition highlights Yoonsung’s role not only as a manufacturer but also as a leading enterprise driving Korea’s carbon neutrality strategy and green economy transition.

Exhibit Item 01

Recycled Warm Mix Modified Asphalt Mixture is an eco-friendly, low-carbon solution that combines over 50% reclaimed asphalt pavement (RAP) with advanced warm-mix and recycling additives. Produced at temperatures below 150 °C, it achieves around 30% lower carbon emissions than conventional hot mix asphalt while doubling recycling efficiency. Its carbon footprint of 33.8 kg CO₂eq/ton, verified under ISO 14067, 14040, and 14044 standards, confirms its environmental excellence. The lower production temperature enables faster road opening, and its high RAP content enhances resource efficiency. Designated as an Innovative Product by Korea’s Ministry of SMEs and Startups, it has recorded over KRW 1 billion (USD 10 million) in public procurement sales, demonstrating both sustainability and strong cost competitiveness.

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