We, Kwangduck Industry Co., Ltd. is a certified company with ISO 9001 (Quality management system) and ISD 14001 (Environment management system) and developed "Happy Dream" which is AL reflective thermal insulation materials that have changed the general idea of existing volume thermal insulation materials, so we do our best to spread our Happy Dream to whole of world markets as well as domestic markets. "Happy Dream" reflective thermal insulation materials are environment-friendly construction materials which have excellent performance of insulation, they are thin and light and soft-therefore they are superior for construction. Moreover they were developed in order to apply to dry process construction, so airtight construction is possible and we're supplying various constructions that can apply any system like outside-insulation, inside-insulation, roof and floor. Also we. Kwangduck Industry Co., Ltd. will do our best for studying, developing and producing better quality thermal insulation materials with endless challenge spirit, Thank you.