特级簧片免费视频,91成人无码人一区二区,免费观看各种毛片的网页,欧美电影一区二区

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.