偷窥 自由 xxx 视频,成人乱人乱一区二区三区,全是肉肉的说说,性一交一乱一交a片久久四色

Isopanel Metal Sandwich Panel System -Polyurethane/Rock Wool /Cold Storage

ISOPANEL has external wall panel, indoor decorative wall panel and roof wall panel with excellent incomparable insulation that is superior to other construction materials. Wall panels made with core polyurethane, poly-isocyanurate foam or Rock wool. Their insulation has excellent thermal insulation performance, which could be proved by comparing with other construction materials in heat transfer coefficient. The panel has high insulation properties as much as 14-80 times than brick and concrete. The panel therefore is the best choice for the use of strict control of temperature requirements.