... EPS sandwich panel: 1.LIGH-WEIGHTED, 2.HEAT AND SOUND INSULATION, 3.HIGHLY WATERPROOF, 4.LONG SERVICE LIFE. EPS sandwich roof panel:Technical ... Comparison of inner wall panel 75 and 120mm it will increase 12m practical area, for 100m2 house, it will ... Name: Weifang Huahong Steel Structure Engineering Co., Ltd.Country/Territory: China (Mainland)Add: 66, Changsheng Road, Changle District, Shandong, ...