Since establishment, did Co.,Ltd has well known for wall covering and composite material leader in Korea. Our passion and quality oriented product and design pattern, fulfill every personal to corporate client. Our composite material product, GRP water tank to Subway and Commercial vehicle has been supplied Government and Corporate for over 10 years. Retains ISO 9001 and fire retardant certification (UL, LNE, LSF and BS standards). We always welcome challenges and achievements through client's need