... for wall & roof 2,Fire-proof PU sandwich panel 3,Sandwich panel on sound insulation. PU sandwich panelPU Sandwich board/panel or ... .The standard width of the panel is 985mm.Thethickness of PU is 50mm,75nn,100mm,120mm,150mm, 200mm.13) The minimum ... YuYan Refrigeration Equipment Co., Ltd.Country/Territory: China (Mainland)Add: No. 128, Luoyang Town, Wujin district, Changzhou, ChinaZip: 213104Tel: 86-519 ...