– HAMRAH GROUP is driving innovation in the building materials industry through its core affiliates: HAMRAH Co., Ltd.: A pioneer in localising asphalt shingles, revolutionising Korea’s building materials sector. HAMRAH A-ONE Co., Ltd.: The first company in Korea to introduce eco-friendly sandwich panels, setting a new standard for sustainable construction. HAMRAH HOUSING Co., Ltd.: Operating the largest B2B building materials shopping complex in Korea, HAMRAH HOUSING Co., Ltd. is a leader in modular construction, opening new frontiers in the industry. -Clear Chang At ClearChang screens, we manufacture advanced carbon fibre screens and ventilation systems designed to create cleaner, healthier environments. However, our mission extends beyond products; we're committed to community wellbeing and continuous technological innovation. Everything we do is driven by one goal: enhancing comfort and quality of life.
