日韩欧美精品在线一区二区_A∨日本三级成人一区电影_天天影视清纯唯美第37页_欧日韩精品一二三_亚洲国产最新_欧美暴力猛交69hd_重庆凤铝铝合金门窗_无码高h视频在线观看_中文字a∨字幕在线观看_久久亚洲综合免费

 

   The product structure is novel, and different types of structures can be combined horizontally and vertically according to the different needs of customers. The upper and lower floors have the same structure, and the wall and roof cannot be removed. The combination box is welded with standard steel and thin-walled steel plate bending parts to form a standard component, and its structure is simple and easy to install. The enclosure is composed of roof panels and wall panels. The roof panels and wall panels are assembled in the factory and the main structure forms an integrated unit. The roof panels are 0.376mm single-layer color steel plates. Paved with 50mm thermal insulation cotton, 0.426 mm color steel ceiling board, and 50 mm double-sided color steel sandwich panel for wall panels.