国产对白日韩未删减完整版_最近中文字幕大全免费版在线_影音先锋亚洲电影_国产一区二区三区精品视频_国产日韩欧美三级在线观看_欧美日韩一级内射可以观看的视频_秋霞电影伦理3a真人片_AV永久免费观看网站_欧美成人午夜福利图片!_一级无码A∨片在线

Material: Made of galvanized steel strip, made of national standard thickness, with super softness and excellent bending performance.the internal smooth structure is very easy when threading the wire.

Application: Wiring protection of machinery, buildings, factories and other buildings, protection of wire and cable and insulationand can improve the cable bending appearance.