... , but also has good moisture-barrier, heat-preservation and energy-saving functions in housing construction (roof, wall. And floor ... , sun-proof, water proof, good sealing property, heat preservation, energy saving...5. Summer: Moisture barrier, sun proof, heat insulation, ... (stoke code, 600525). CYG TEFA Co., Ltd, a high-tech company, established in December of 2002. We are committed to developing ...